The document discusses class diagrams and object diagrams. It explains that a class diagram shows the structure of a system by displaying classes, interfaces, and their relationships, while an object diagram shows specific instances of classes at a point in time. The document provides steps for constructing class diagrams, such as identifying classes and relationships. It also discusses how object diagrams are created based on class diagrams by instantiating classes and depicting their relationships.
This document discusses key concepts in Python programming including data types, operators, strings, modules, object-oriented programming, and connecting to SQLite databases. It provides examples of numeric, boolean, and sequence data types. It also demonstrates various math operators, string operators like concatenation and multiplication, and how to import and use modules. Object-oriented concepts like classes, attributes, and behaviors are explained using a parrot example. Finally, it mentions how to connect a SQLite database to Python code using the MySQLdb interface.
UML (Unified Modeling Language) is a standard modeling language used to specify, visualize, and document software systems. It uses graphical notations to model structural and behavioral aspects of a system. Common UML diagram types include use case diagrams, class diagrams, sequence diagrams, and state diagrams. Use case diagrams model user interactions, class diagrams show system entities and relationships, sequence diagrams visualize object interactions over time, and state diagrams depict object states and transitions. UML aims to simplify the complex process of software design through standardized modeling.
The document discusses object-oriented analysis and design concepts. It introduces key concepts like objects, classes, encapsulation, inheritance etc. It then describes Object Modeling Technique (OMT), which is an object-oriented modeling methodology developed in 1991. OMT consists of three models - object model, dynamic model and functional model. It also discusses Unified Modeling Language (UML) conceptual model, including building blocks like things, relationships and diagrams. It describes different structural things, behavioral things and grouping things in UML. Finally, it covers various relationship types in UML like dependency, association, generalization etc.
Object modeling represents the static structure of objects and their relationships using object diagrams. An object diagram shows instances of classes, their attributes and values, and relationships between objects through links representing associations, generalizations, or aggregations. Object diagrams are useful for understanding object behavior and relationships in a system, as well as its static view and for forward and reverse engineering.
Object diagrams represent a snapshot of a system at a particular moment, showing the concrete instances of classes and their relationships. They capture the static view of a system to show object behaviors and relationships from a practical perspective. Unlike class diagrams which show abstract representations, object diagrams depict real-world objects and their unlimited possible instances. They are used for forward and reverse engineering, modeling object relationships and interactions, and understanding system behavior.
This document provides an overview of object-oriented programming concepts in Python including objects, classes, inheritance, polymorphism, and encapsulation. It defines key terms like objects, classes, and methods. It explains how to create classes and objects in Python. It also discusses special methods, modules, and the __name__ variable.
This document provides an overview of class diagrams in UML. It describes the key components of a class diagram including classes, attributes, operations, and relationships. A class represents a set of objects with common properties and behavior. It includes a name, attributes, and operations. Relationships between classes such as dependencies, generalizations, and associations are also depicted. The document provides examples of how to represent these components and relationships in a UML class diagram.
This document provides an overview of the Unified Modeling Language (UML) including its building blocks, diagrams, and the Rational Unified Process (RUP) methodology. It defines UML, explains its advantages for visualizing, specifying, and constructing systems. It describes the different types of UML elements including structural things like classes and interfaces, behavioral things like interactions and state machines, and grouping and annotational things. It also outlines the different UML diagrams for modeling a system from various perspectives and the four phases of the iterative RUP methodology.
This document discusses key concepts in Python programming including data types, operators, strings, modules, object-oriented programming, and connecting to SQLite databases. It provides examples of numeric, boolean, and sequence data types. It also demonstrates various math operators, string operators like concatenation and multiplication, and how to import and use modules. Object-oriented concepts like classes, attributes, and behaviors are explained using a parrot example. Finally, it mentions how to connect a SQLite database to Python code using the MySQLdb interface.
UML (Unified Modeling Language) is a standard modeling language used to specify, visualize, and document software systems. It uses graphical notations to model structural and behavioral aspects of a system. Common UML diagram types include use case diagrams, class diagrams, sequence diagrams, and state diagrams. Use case diagrams model user interactions, class diagrams show system entities and relationships, sequence diagrams visualize object interactions over time, and state diagrams depict object states and transitions. UML aims to simplify the complex process of software design through standardized modeling.
The document discusses object-oriented analysis and design concepts. It introduces key concepts like objects, classes, encapsulation, inheritance etc. It then describes Object Modeling Technique (OMT), which is an object-oriented modeling methodology developed in 1991. OMT consists of three models - object model, dynamic model and functional model. It also discusses Unified Modeling Language (UML) conceptual model, including building blocks like things, relationships and diagrams. It describes different structural things, behavioral things and grouping things in UML. Finally, it covers various relationship types in UML like dependency, association, generalization etc.
Object modeling represents the static structure of objects and their relationships using object diagrams. An object diagram shows instances of classes, their attributes and values, and relationships between objects through links representing associations, generalizations, or aggregations. Object diagrams are useful for understanding object behavior and relationships in a system, as well as its static view and for forward and reverse engineering.
Object diagrams represent a snapshot of a system at a particular moment, showing the concrete instances of classes and their relationships. They capture the static view of a system to show object behaviors and relationships from a practical perspective. Unlike class diagrams which show abstract representations, object diagrams depict real-world objects and their unlimited possible instances. They are used for forward and reverse engineering, modeling object relationships and interactions, and understanding system behavior.
This document provides an overview of object-oriented programming concepts in Python including objects, classes, inheritance, polymorphism, and encapsulation. It defines key terms like objects, classes, and methods. It explains how to create classes and objects in Python. It also discusses special methods, modules, and the __name__ variable.
This document provides an overview of class diagrams in UML. It describes the key components of a class diagram including classes, attributes, operations, and relationships. A class represents a set of objects with common properties and behavior. It includes a name, attributes, and operations. Relationships between classes such as dependencies, generalizations, and associations are also depicted. The document provides examples of how to represent these components and relationships in a UML class diagram.
This document provides an overview of the Unified Modeling Language (UML) including its building blocks, diagrams, and the Rational Unified Process (RUP) methodology. It defines UML, explains its advantages for visualizing, specifying, and constructing systems. It describes the different types of UML elements including structural things like classes and interfaces, behavioral things like interactions and state machines, and grouping and annotational things. It also outlines the different UML diagrams for modeling a system from various perspectives and the four phases of the iterative RUP methodology.
OOAD - UML - Sequence and Communication Diagrams - LabVicter Paul
The document discusses interaction diagrams, specifically sequence diagrams and communication diagrams. It explains that interaction diagrams show interactions between objects by depicting the messages exchanged. A sequence diagram emphasizes the time ordering of messages, showing objects arranged from left to right and messages ordered from top to bottom. A communication diagram emphasizes the structural organization of objects, showing them as vertices connected by links along which messages pass. Both diagram types are semantically equivalent but visualize information differently based on their focus. Examples of sequence and communication diagrams are provided for processes like patient admission to a hospital.
The document discusses domain modeling. It defines a domain model as a structural model showing the basic concepts and relationships in a domain. It describes the key components of a domain model including conceptual classes, attributes, associations, multiplicity, aggregation, composition, generalization and roles. The document provides an example domain model for a video rental shop showing customers who can buy or rent movies, and rent specific rental copies with attributes like due dates. It models members who get discounts and can reserve rentals, and includes reviews customers can provide.
Here is a Python class with the specifications provided in the question:
class PICTURE:
def __init__(self, pno, category, location):
self.pno = pno
self.category = category
self.location = location
def FixLocation(self, new_location):
self.location = new_location
This defines a PICTURE class with three instance attributes - pno, category and location as specified in the question. It also defines a FixLocation method to assign a new location as required.
Je vous partage l'un des présentations que j'ai réalisé lorsque j'étais élève ingénieur pour le module 'Anglais Business ' , utile pour les étudiants souhaitant préparer une présentation en anglais sur les Design Pattern - ou les patrons de conception .
The document discusses requirements analysis and analysis modeling principles for software engineering. It covers key topics such as:
1. Requirements analysis specifies a software's operational characteristics and interface with other systems to establish constraints. Analysis modeling focuses on what the software needs to do, not how it will be implemented.
2. Analysis modeling principles include representing the information domain, defining functions, modeling behavior, partitioning complex problems, and moving from essential information to implementation details.
3. Common analysis techniques involve use case diagrams, class diagrams, state diagrams, data flow diagrams, and data modeling to define attributes, relationships, cardinality and modality between data objects.
This document discusses Python modules, classes, inheritance, and properties. Some key points:
- Modules allow the organization of Python code into reusable libraries by saving code in files with a .py extension. Modules can contain functions, variables, and be imported into other code.
- Classes are templates that define the properties and methods common to all objects of a certain kind. The __init__() method initializes new objects. Inheritance allows child classes to inherit properties and methods from parent classes.
- Properties provide a way to control access to class attributes, allowing them to be accessed like attributes while hiding the implementation details behind getter and setter methods.
The Unified Process (UP) is a popular iterative software development framework that uses use cases, architecture-centric design, and the Unified Modeling Language. It originated from Jacobson's Objectory process in the 1980s and was further developed by Rational Software into the Rational Unified Process. The UP consists of four phases - inception, elaboration, construction, and transition - and emphasizes iterative development, architectural drivers, and risk-managed delivery.
This document provides an overview of object-oriented programming concepts including classes, objects, inheritance, abstraction, encapsulation, and polymorphism. It defines OOP as an engineering approach for building software systems based on modeling real-world entities as classes and objects that exchange messages. Key concepts are explained such as classes defining attributes and behaviors of objects, objects being instances of classes, and communication between objects occurring through messages. The four main principles of OOP - inheritance, abstraction, encapsulation, and polymorphism - are also summarized.
UML (Unified Modeling Language) is a standard modeling language used to visualize, specify, construct, and document software systems. It uses graphical notation to depict systems from initial design through detailed design. Common UML diagram types include use case diagrams, class diagrams, sequence diagrams, activity diagrams, and state machine diagrams. UML provides a standard way to communicate designs across development teams and is supported by many modeling tools.
The document discusses use case diagrams in object oriented design and analysis. It defines use cases as descriptions of system functionality from a user perspective. Use case diagrams depict system behavior, users, and relationships between actors, use cases, and other use cases. The key components of use case diagrams are described as actors, use cases, the system boundary, and relationships. Common relationships include association, extend, generalization, uses, and include. An example use case diagram for a cellular telephone is provided to illustrate these concepts.
The document discusses various UML diagrams used for modeling dynamic and implementation aspects of software systems. It describes interaction diagrams like sequence diagrams and collaboration diagrams which are used to model object interactions. It also covers state machine diagrams and activity diagrams which are used to model dynamic system behavior. Finally, it discusses implementation diagrams like package diagrams, component diagrams, and deployment diagrams which are used to model system organization and deployment.
PYTHON-Chapter 4-Plotting and Data Science PyLab - MAULIK BORSANIYAMaulik Borsaniya
This document discusses data visualization and Matplotlib. It begins with an introduction to data visualization and its importance. It then covers basic visualization rules like labeling axes and adding titles. It discusses what Matplotlib is and how to install it. It provides examples of common plot types in Matplotlib like sine waves, scatter plots, bar charts, and pie charts. It also discusses working with data science and Pandas, including how to create Pandas Series and DataFrames from various data sources.
The document describes the steps to construct a domain class model:
1. The first step is to find relevant classes by identifying nouns from the problem domain. Classes often correspond to nouns and should make sense within the application domain.
2. The next steps are to prepare a data dictionary defining each class, find associations between classes corresponding to verbs, and identify attributes and links for each class.
3. The model is then organized and simplified using techniques like inheritance and packages. The model is iteratively refined by verifying queries and reconsidering the level of abstraction.
The document discusses types and roles in UML. Types are conceptual classes used during analysis to identify possible object types in a system. They do not have methods or instances. Roles represent the behaviors of entities in particular contexts. An object can play different roles depending on the context, presenting different properties based on its role. Types and roles are modeling concepts in UML used to describe the abstraction of classes and behaviors before implementation.
The document provides an overview of the Unified Modeling Language (UML) including:
1) UML consists of 9 diagrams used at different stages of software development for requirements analysis, design, and deployment.
2) UML diagrams can be classified as static, dynamic, or implementation based on whether they depict the structural, behavioral, or deployment aspects of a system.
3) Popular UML tools should support features like generating code from diagrams, reverse engineering code into diagrams, and integrating with IDEs. Rational Rose is a widely used UML modeling tool.
Object Oriented Methodologies discusses several object-oriented analysis and design methodologies including Rambaugh's Object Modeling Technique (OMT), Booch methodology, and Jacobson's Object-Oriented Software Engineering (OOSE). OMT separates modeling into object, dynamic, and functional models represented by diagrams. Booch methodology uses class, object, state transition, module, process, and interaction diagrams. OOSE includes use case, domain object, analysis object, implementation, and test models.
The document discusses requirements capture using UML use case diagrams. It describes how use case diagrams can be used to capture functional requirements by modeling actors, use cases, and relationships. Key aspects covered include identifying use cases and actors, documenting use case descriptions, modeling relationships between use cases and actors, and tips for effective use case modeling.
A class is a code template for creating objects. Objects have member variables and have behaviour associated with them. In python a class is created by the keyword class.
An object is created using the constructor of the class. This object will then be called the instance of the class.
This presentation contains the concepts related to database design using ER Diagram. The content is adapted from the contents of the authors of the book mentioned in the reference.
This document provides an overview of the incremental build model that Project Pluto will adopt to develop their software system. The incremental build model involves iterative development where requirements are broken into prioritized builds. Each build adds new capabilities and allows for frequent testing, demonstration of progress, and verification of work completed so far. This approach provides benefits like continuous integration and validation of the evolving product, frequent delivery of working functionality, and ability to make changes based on feedback.
OOAD - UML - Sequence and Communication Diagrams - LabVicter Paul
The document discusses interaction diagrams, specifically sequence diagrams and communication diagrams. It explains that interaction diagrams show interactions between objects by depicting the messages exchanged. A sequence diagram emphasizes the time ordering of messages, showing objects arranged from left to right and messages ordered from top to bottom. A communication diagram emphasizes the structural organization of objects, showing them as vertices connected by links along which messages pass. Both diagram types are semantically equivalent but visualize information differently based on their focus. Examples of sequence and communication diagrams are provided for processes like patient admission to a hospital.
The document discusses domain modeling. It defines a domain model as a structural model showing the basic concepts and relationships in a domain. It describes the key components of a domain model including conceptual classes, attributes, associations, multiplicity, aggregation, composition, generalization and roles. The document provides an example domain model for a video rental shop showing customers who can buy or rent movies, and rent specific rental copies with attributes like due dates. It models members who get discounts and can reserve rentals, and includes reviews customers can provide.
Here is a Python class with the specifications provided in the question:
class PICTURE:
def __init__(self, pno, category, location):
self.pno = pno
self.category = category
self.location = location
def FixLocation(self, new_location):
self.location = new_location
This defines a PICTURE class with three instance attributes - pno, category and location as specified in the question. It also defines a FixLocation method to assign a new location as required.
Je vous partage l'un des présentations que j'ai réalisé lorsque j'étais élève ingénieur pour le module 'Anglais Business ' , utile pour les étudiants souhaitant préparer une présentation en anglais sur les Design Pattern - ou les patrons de conception .
The document discusses requirements analysis and analysis modeling principles for software engineering. It covers key topics such as:
1. Requirements analysis specifies a software's operational characteristics and interface with other systems to establish constraints. Analysis modeling focuses on what the software needs to do, not how it will be implemented.
2. Analysis modeling principles include representing the information domain, defining functions, modeling behavior, partitioning complex problems, and moving from essential information to implementation details.
3. Common analysis techniques involve use case diagrams, class diagrams, state diagrams, data flow diagrams, and data modeling to define attributes, relationships, cardinality and modality between data objects.
This document discusses Python modules, classes, inheritance, and properties. Some key points:
- Modules allow the organization of Python code into reusable libraries by saving code in files with a .py extension. Modules can contain functions, variables, and be imported into other code.
- Classes are templates that define the properties and methods common to all objects of a certain kind. The __init__() method initializes new objects. Inheritance allows child classes to inherit properties and methods from parent classes.
- Properties provide a way to control access to class attributes, allowing them to be accessed like attributes while hiding the implementation details behind getter and setter methods.
The Unified Process (UP) is a popular iterative software development framework that uses use cases, architecture-centric design, and the Unified Modeling Language. It originated from Jacobson's Objectory process in the 1980s and was further developed by Rational Software into the Rational Unified Process. The UP consists of four phases - inception, elaboration, construction, and transition - and emphasizes iterative development, architectural drivers, and risk-managed delivery.
This document provides an overview of object-oriented programming concepts including classes, objects, inheritance, abstraction, encapsulation, and polymorphism. It defines OOP as an engineering approach for building software systems based on modeling real-world entities as classes and objects that exchange messages. Key concepts are explained such as classes defining attributes and behaviors of objects, objects being instances of classes, and communication between objects occurring through messages. The four main principles of OOP - inheritance, abstraction, encapsulation, and polymorphism - are also summarized.
UML (Unified Modeling Language) is a standard modeling language used to visualize, specify, construct, and document software systems. It uses graphical notation to depict systems from initial design through detailed design. Common UML diagram types include use case diagrams, class diagrams, sequence diagrams, activity diagrams, and state machine diagrams. UML provides a standard way to communicate designs across development teams and is supported by many modeling tools.
The document discusses use case diagrams in object oriented design and analysis. It defines use cases as descriptions of system functionality from a user perspective. Use case diagrams depict system behavior, users, and relationships between actors, use cases, and other use cases. The key components of use case diagrams are described as actors, use cases, the system boundary, and relationships. Common relationships include association, extend, generalization, uses, and include. An example use case diagram for a cellular telephone is provided to illustrate these concepts.
The document discusses various UML diagrams used for modeling dynamic and implementation aspects of software systems. It describes interaction diagrams like sequence diagrams and collaboration diagrams which are used to model object interactions. It also covers state machine diagrams and activity diagrams which are used to model dynamic system behavior. Finally, it discusses implementation diagrams like package diagrams, component diagrams, and deployment diagrams which are used to model system organization and deployment.
PYTHON-Chapter 4-Plotting and Data Science PyLab - MAULIK BORSANIYAMaulik Borsaniya
This document discusses data visualization and Matplotlib. It begins with an introduction to data visualization and its importance. It then covers basic visualization rules like labeling axes and adding titles. It discusses what Matplotlib is and how to install it. It provides examples of common plot types in Matplotlib like sine waves, scatter plots, bar charts, and pie charts. It also discusses working with data science and Pandas, including how to create Pandas Series and DataFrames from various data sources.
The document describes the steps to construct a domain class model:
1. The first step is to find relevant classes by identifying nouns from the problem domain. Classes often correspond to nouns and should make sense within the application domain.
2. The next steps are to prepare a data dictionary defining each class, find associations between classes corresponding to verbs, and identify attributes and links for each class.
3. The model is then organized and simplified using techniques like inheritance and packages. The model is iteratively refined by verifying queries and reconsidering the level of abstraction.
The document discusses types and roles in UML. Types are conceptual classes used during analysis to identify possible object types in a system. They do not have methods or instances. Roles represent the behaviors of entities in particular contexts. An object can play different roles depending on the context, presenting different properties based on its role. Types and roles are modeling concepts in UML used to describe the abstraction of classes and behaviors before implementation.
The document provides an overview of the Unified Modeling Language (UML) including:
1) UML consists of 9 diagrams used at different stages of software development for requirements analysis, design, and deployment.
2) UML diagrams can be classified as static, dynamic, or implementation based on whether they depict the structural, behavioral, or deployment aspects of a system.
3) Popular UML tools should support features like generating code from diagrams, reverse engineering code into diagrams, and integrating with IDEs. Rational Rose is a widely used UML modeling tool.
Object Oriented Methodologies discusses several object-oriented analysis and design methodologies including Rambaugh's Object Modeling Technique (OMT), Booch methodology, and Jacobson's Object-Oriented Software Engineering (OOSE). OMT separates modeling into object, dynamic, and functional models represented by diagrams. Booch methodology uses class, object, state transition, module, process, and interaction diagrams. OOSE includes use case, domain object, analysis object, implementation, and test models.
The document discusses requirements capture using UML use case diagrams. It describes how use case diagrams can be used to capture functional requirements by modeling actors, use cases, and relationships. Key aspects covered include identifying use cases and actors, documenting use case descriptions, modeling relationships between use cases and actors, and tips for effective use case modeling.
A class is a code template for creating objects. Objects have member variables and have behaviour associated with them. In python a class is created by the keyword class.
An object is created using the constructor of the class. This object will then be called the instance of the class.
This presentation contains the concepts related to database design using ER Diagram. The content is adapted from the contents of the authors of the book mentioned in the reference.
This document provides an overview of the incremental build model that Project Pluto will adopt to develop their software system. The incremental build model involves iterative development where requirements are broken into prioritized builds. Each build adds new capabilities and allows for frequent testing, demonstration of progress, and verification of work completed so far. This approach provides benefits like continuous integration and validation of the evolving product, frequent delivery of working functionality, and ability to make changes based on feedback.
The document discusses the structure of Java classes. A class describes a set of objects through fields, constructors, and methods. Fields hold an object's data, constructors create new objects, and methods describe actions objects can perform. A class can also contain static data and methods that are not part of individual objects. Methods define the behavior of a class using parameters, return types, and local variables. Objects communicate by sending messages to each other's methods.
The document discusses a lecture on object-oriented programming. It covers key topics like classes, objects, fields, methods, constructors, and creating objects from classes. It provides examples of how to define classes with fields, methods, and constructors. It also explains how to compile and run a simple Java program with a main method.
The document describes a course on software engineering. It includes the course objectives, which are to understand various phases of a software project like requirements engineering and analysis modeling. It also aims to teach object-oriented concepts, enterprise integration, deployment techniques, and testing and project management methods. The document lists the course outcomes and syllabus covering topics like software processes, requirements analysis, object-oriented concepts, software design, and testing and project management over 5 units. It also provides references and learning resources.
This document outlines the course content and evaluation scheme for the subject BCA 303: Object Oriented Technology (C++) taught in the third semester of the BCA program at Kadi Sarva Vishwavidyalaya, Gandhinagar. The key objectives of the course are to help students understand the concepts of object-oriented programming using C++ and develop practical skills that can be applied in the future. The course is divided into four units that cover topics such as introduction to OOP concepts, functions and classes in C++, constructors, destructors, inheritance, operator overloading, virtual functions, and exception handling. Students will be evaluated based on an internal assessment worth 30 marks and an external university examination of 70
Database Design and the ER Model, Indexing and HashingPrabu U
This document provides an overview of database design and the entity-relationship (ER) model. It discusses the database design process, including initial, conceptual, logical, and physical design phases. It then describes the key concepts of the ER model, including entities, attributes, relationships, cardinalities, participation constraints, and keys. The document explains how to design ER diagrams and how to remove redundant attributes. It provides examples of one-to-one, one-to-many, many-to-one, and many-to-many relationships. Finally, it demonstrates how to represent complex attributes like composite, multi-valued, and derived attributes in an ER diagram.
Learning Strategy with Groups on Page Based Students' Profilesaciijournal
Most of students desire to know about their knowledge level to perfect their exams. In learning environment
the fields of study overwhelm on page with collaboration or cooperation. Students can do their exercises
either individually or collaboratively with their peers. The system provides the guidelines for students'
learning system about interest fields as Java in this system. Especially the system feedbacks information
about exam to know their grades without teachers. The participants who answered the exam can discuss
with each others because of sharing e mail and list of them.
Dynamic Question Answer Generator An Enhanced Approach to Question Generationijtsrd
Teachers and educational institutions seek new questions with different difficulty levels for setting up tests for their students. Also, students long for distinct and new questions to practice for their tests as redundant questions are found everywhere. However, setting up new questions every time is a tedious task for teachers. To overcome this conundrum, we have concocted an artificially intelligent system which generates questions and answers for the mathematical topic –Quadratic equations. The system uses i Randomization technique for generating unique questions each time and ii First order logic and Automated deduction to produce solution for the generated question. The goal was achieved and the system works efficiently. It is robust, reliable and helpful for teachers, students and other organizations for retrieving Quadratic equations questions, hassle free. Rahul Bhatia | Vishakha Gautam | Yash Kumar | Ankush Garg ""Dynamic Question Answer Generator: An Enhanced Approach to Question Generation"" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-4 , June 2019, URL: https://www.ijtsrd.com/papers/ijtsrd23730.pdf
Paper URL: https://www.ijtsrd.com/computer-science/artificial-intelligence/23730/dynamic-question-answer-generator-an-enhanced-approach-to-question-generation/rahul-bhatia
The document provides an introduction to object-oriented programming concepts in Python using PyTorch examples. It discusses key object-oriented programming concepts like classes, instances, attributes, encapsulation, inheritance and polymorphism. It also summarizes some example PyTorch code to demonstrate concepts like classes, methods, inheritance and polymorphism in an object-oriented deep learning context.
The document discusses various Java concepts including constructors, this keyword, garbage collection, finalize method, method overloading, argument passing, static keyword, nested and inner classes, command line arguments, and varargs. Constructors initialize objects and are called automatically upon object creation. The this keyword refers to the current object. Garbage collection automatically frees memory for objects with no references. The finalize method allows defining actions before object destruction.
Learning strategy with groups on page based students' profilesaciijournal
Most of students desire to know about their knowledge level to perfect their exams. In learning environment the fields of study overwhelm on page with collaboration or cooperation. Students can do their exercises either individually or collaboratively with their peers. The system provides the guidelines for students' learning system about interest fields as Java in this system. Especially the system feedbacks information about exam to know their grades without teachers. The participants who answered the exam can discuss with each others because of sharing e mail and list of them.
This document discusses objects and classes in Java. It begins by defining an object as an instance of a class that has state and behavior. An object's state is represented by its data fields and its behavior by its methods. It then defines a class as a template or blueprint from which objects are created. A class contains fields to represent state, methods to represent behavior, and constructors. The document provides examples of defining classes with fields and methods, creating objects from classes using the new operator, and accessing object fields and methods. It also covers access modifiers, packages, arrays of objects, and constructors in Java.
This document provides an overview of object-oriented programming concepts including classes, objects, encapsulation and abstraction. It begins by describing the objectives of learning OOP which are to describe objects and classes, define classes, construct objects using constructors, access object members using dot notation, and apply abstraction and encapsulation. It then compares procedural and object-oriented programming, noting that OOP involves programming using objects defined by classes. Key concepts covered include an object's state consisting of data fields and behavior defined by methods. The document demonstrates defining classes, creating objects, accessing object members, and using private data fields for encapsulation.
The document discusses object oriented programming concepts in C++ including classes, objects, data members, member functions, data abstraction, encapsulation, inheritance, polymorphism, access specifiers, and constructors. It provides examples of defining a class with private, public, and protected data members and member functions. Constructors such as the default, parameterized, and copy constructor are demonstrated. Inheritance concepts such as the base class, derived class, types of inheritance and visibility modes are explained.
Object-oriented analysis and design (OOAD) involves finding objects or concepts in the problem domain during analysis and defining software objects and how they collaborate during design. The document discusses various OOAD concepts like the unified modeling language (UML), use case diagrams, class diagrams, state diagrams, and design patterns. It provides definitions and examples of these concepts and explains tasks like requirements analysis, architecture design, and modeling object relationships, behaviors, and interactions during analysis and design.
The College Classroom Week 10: Teaching as ResearchPeter Newbury
This document summarizes a class on teaching as research and success in an educational career. It discusses categories of educational research and examples of education research from different disciplines. It presents results from studies on improving learning in a physics class and the value of course-specific learning goals. Details are provided on conceptual steps in the teaching as research process and examples of Beth Simon's teaching as research projects. Guidance is offered on funding sources for teaching as research, practical advice for succeeding as an educator, and having students develop a microteaching lesson for feedback.
This document discusses using data mining techniques to analyze faculty performance at an engineering college in India. It proposes analyzing 4 parameters - student complaints, feedback, results, and reviews - to evaluate faculty instead of just 2 parameters (feedback and results) used previously. It will use opinion mining to analyze faculty performance and calculate scores. The system will collect data, preprocess it, apply a KNN algorithm to the 4 parameters to calculate scores for each faculty, sum the scores, classify results using rule-based classification, and analyze outcomes by subject and class. It reviews related work applying educational data mining and concludes the multiple classifier approach is better, and future work could consider more parameters and expand to all college branches and departments.
Similar to OOAD - UML - Class and Object Diagrams - Lab (20)
OOAD - Systems and Object Orientation ConceptsVicter Paul
The document discusses key concepts in systems analysis and design as well as object orientation. It defines a system as a set of elements arranged to accomplish an objective. Systems have inputs, processes, and outputs. Characteristics of systems include organization, interaction, interdependence, and a central objective. The document contrasts procedural and object-oriented programming, noting that object-oriented programming emphasizes objects/data while hiding data and combining data and methods. Finally, the document outlines fundamental concepts in object orientation like objects, classes, abstraction, encapsulation, inheritance, and polymorphism.
Here are the answers:
1. o
2. oo
3. 6
4. -1 (throws StringIndexOutOfBoundsException)
5. Removes leading and trailing whitespace
6. false
7. A negative integer, since "sam" is less than "Sam" alphabetically
Packages and interfaces are two of Java's most innovative features. Packages are used to group related classes and avoid naming conflicts by providing a mechanism to partition the class namespace into more manageable chunks. Packages also provide access control, with protected and default members having package-level access. To define a package, the package statement is included at the top of a Java file specifying the package name. Import statements are used to make classes in other packages visible. Packages can be built-in, from the Java API, or user-defined.
The document discusses procedural programming versus object-oriented programming and provides examples using Java. It defines procedural programming as dividing a program into subprocedures that perform specific tasks, with most data shared globally. Object-oriented programming is defined as partitioning memory for both data and functions using objects. The document then outlines key concepts of OOP like objects, classes, encapsulation, and polymorphism. It provides history on the development of Java and its advantages over C++ as a simpler, safer, and more robust language.
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Java - Object Oriented Programming ConceptsVicter Paul
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We have compiled the most important slides from each speaker's presentation. This year’s compilation, available for free, captures the key insights and contributions shared during the DfMAy 2024 conference.
1. Class Diagram
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
2. Class and Object Diagrams
Lab Material
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
3. Class Diagram
A class diagram shows a set of classes, interfaces, and
collaborations and their relationships.
Class diagrams commonly contain the following things:
Classes
Interfaces
Collaborations
Dependency
Generalization, and
Association relationships
Aggregation
Composition
Multiplicity
3
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
4. Class Diagram
A class diagram shows a set of classes, interfaces, and
collaborations and their relationships.
Class diagrams commonly contain the following things:
Classes
Interfaces
Collaborations
Dependency
Generalization, and
Association
Aggregation
Composition
Multiplicity
4
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
5. Steps involved
Study the given problem statement
Identify the classes
Identify the attributes and behaviors (properties and methods)
Denote visibility, data type, argument and return value type
Identify the relationships
Denote Relationships details
Relationship name
Role
Relation direction
Multiplicity
Identify the possible Interface (common must methods for set of
classes) and relate
5
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
6. Study the given problem statement
Develop an automated student registration system. The students
registration system identify the School (i.e. Arts & Sciences,
Engineering, Fine Arts, etc.) in which the student is registered. The
school offer both undergraduate and graduate programs. It also shall
Identify the current courses offered by each department and the
instructor engaged to each class to handle the course.
6
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
7. Identify the classes
Develop an automated student registration system. The students
registration system identify the School (i.e. Arts & Sciences,
Engineering, Fine Arts, etc.) in which the student is registered. The
school offer both undergraduate and graduate programs. It also shall
Identify the current courses offered by each department and the
instructor engaged to each class to handle the course.
7
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
9. Identify the attributes and behaviors
Develop an automated student registration system. The students
registration system identify the School (i.e. Arts & Sciences,
Engineering, Fine Arts, etc.) in which the student is registered. The
school offer both undergraduate and graduate programs. It also shall
Identify the current courses offered by each department and the
instructor engaged to each class to handle the course.
9
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
10. Identify the classes
School
-name : String
-address : String
-id : int
-startdate : Date
+school(int id, String name):
+addStudent():bool
+removeStudent(int):bool
name
attributes
operations
10
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
11. Denote visibility, data type…..
1. Public: Any outside classifier can use (+).
2. Protected: Any descendant of the classifier can use (#).
3. Private: Only the classifier itself can use (-).
4. Protected: public within package (~)
1. Instance: Each instance of the classifier holds its own value
for the feature.
2. Class variable: There is just one value of the feature for all
instances of the classifier. (static variable)
static variable should be underlined
* Derived variables should precede /
11
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
12. Identify the relationships
Generalization
Association (general) – name, role, direction, multiplicity
Special types:
Aggregation (parts can exist without whole)
Composition (parts cant exist without whole)
Realization
12
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
13. Identify the relationships
Generalization
Use to show a parent-child relationship.
Student
……
generalization
+handleClass():void
Graduate student
+attenMidexam():void
Undergraduate student
……
-ug:String
13
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
14. Identify the relationships
Generalization
Shape
SplineEllipsePolygon
Shape
SplineEllipsePolygon
Shared Target Style
Separate Target Style
. . .
. . .
14
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
15. Identify the relationships
Association (general) – name, role, direction, multiplicity
Instructor CourseTeaches
Name an association to describe its nature.
Direction triangle: direction of reading.
Instructor Course
Role: face presented to the other class.
teacher subject taught
Person Company
employee employer
15
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
16. Identify the relationships
Association (general) – name, role, direction, multiplicity
Instructor Course
teacher Subject taught
1..2 0..3
Multiplicity: How many objects may be connected across
an instance of an association.
Multiplicity at one end for each object at the other end,
there must be that many objects at the near end.
Exactly one: 1
Zero or one: 0 .. 1
Many: 0 .. *
One or more: 1 .. *
Not shown unspecified or suppressed 16
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
17. Identify the relationships
Aggregation (general) – name, role, direction, multiplicity
1
0..*
Department
Instructor
whole
part
1
1..*
Team
Player
whole
part
17
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
18. Identify the relationships
Composition (general) – name, role, direction, multiplicity
1
0..*
Account
Order
whole
part
1
1..*
School
Department
18
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
19. Identify the possible Interface
Identify one or more classes that
must have a set of common
operations.
Create interface with the set of
common operations (abstract).
Relate the classes and the interface
by Realization.
Defines a set of operation specs
Never defines an implementation
19
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
21. Example 1
21
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
22. Example 2
22
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
23. Example 3
23
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
24. Example 4
24
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
25. Example 5
25
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
26. Example 6
26
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
27. Steps involved
Study the given problem statement
Identify the classes
Identify the attributes and behaviors (properties and methods)
Denote visibility, data type, argument and return value type
Identify the relationships
Denote Relationships details
Relationship name
Role
Relation direction
Multiplicity
Identify the possible Interface (common must methods for set of
classes) and relate
27
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
28. Object Diagram
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
29. Object Diagram
Object diagrams model the instances of things contained in class
diagrams.
An object diagram shows a set of objects and their relationships
at a point in time.
This involves modeling a snapshot of the system at a moment in
time and rendering a set of objects, their state, and their
relationships.
An object diagram covers a set of instances of the things found in
a class diagram.
29
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
30. Object Representation
In class diagram elements are in abstract form to represent the
blue print and
in object diagram the elements are in concrete form to represent
the real world object.
30
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
31. How to model Object Diagram
an object diagram is an instance of a class diagram.
It implies that an object diagram consists of instances of things
used in a class diagram.
So both diagrams are made of same basic elements but in
different form.
To capture a particular system, numbers (classes) of class
diagrams are limited.
However, if we consider object diagrams then we can have
unlimited number of instances, which are unique in nature.
31
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
32. How to model Object Diagram
a single object diagram cannot capture all the necessary
instances or rather cannot specify all the objects of a system.
Hence, the solution is −
1. First, analyze the system and decide which instances have important
data and association.
2. Second, consider only those instances, which will cover the
functionality.
3. Third, make some optimization as the number of instances are
unlimited.
32
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
33. Things to be decided
the following things are to be decided before starting the
construction of the diagram,
1. The object diagram should have a meaningful name to indicate its
purpose.
2. The most important elements are to be identified.
3. The association among objects should be clarified.
4. Values of different elements need to be captured to include in the
object diagram.
5. Add proper notes at points where more clarity is required.
33
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
34. Class and Object Diagram 1
34
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
35. Class and Object Diagram 2
35
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
36. Class and Object Diagram 3
36
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
37. Class and Object Diagram 4
37
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
38. Class and Object Diagram 5
38
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
39. Example – Class Diagram
39
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
40. Example – Object Diagram
40
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
41. Lets Try..!
41
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
42. Class vs Object Diagram
42
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam
43. The End
43
Dr. P. Victer Paul, Indian Institute of Information Technology Kottayam