core java online training - eglobalsystemsShikha Jaiswal
Eglobalsystems Offering Core Java Real-time Online Training Classes For Weekend And Regular Batches For Individuals And Professionals. Eglobalsystems Offering Free DEMO/ Seminar On Core Java Access Control By Real Time Expert. Once Experience Our Free Sessions And Decide Further.
This document contains 20 Java-related questions covering topics such as abstract classes, threads, static methods and variables, exceptions, serialization, and daemon threads. The questions ask about the purpose of abstract classes, different ways to use threads, what static means in Java, what would happen if the main method was declared as private, how to check if an array is empty rather than null, whether an application can have multiple classes with main methods, the difference between checked and unchecked exceptions, whether importing a package imports subpackages, if a top-level class can be private or protected, what serialization is, if objects are passed by value or reference, what the Externalizable interface is, what to consider when serializing objects, the difference between
This document discusses various metaprogramming techniques in Ruby including monkey patching, open classes, class and module definitions, method execution context, dynamic and ghost methods, method missing, closures, scope gates, instance eval, class eval, class variables, singleton methods, eigenclasses, and method aliases. It provides examples and explanations of how to programmatically modify classes and define methods at runtime in Ruby.
The document discusses the static keyword in Java. It explains that static members belong to the class rather than objects, and are loaded when the class is loaded. Static variables and methods can be accessed without creating an object. Constructors are used to initialize non-static variables when an object is created. Static blocks run when the class is loaded and can initialize static variables.
This slide about presentation of Object Oriented Programing or OOP contains Fundamental of OOP
Encapsulation
Inheritance
Abstract Class
Association
Polymorphism
Interface
Exceptional Handling
and more.
EEE oops Vth semester viva questions with answerJeba Moses
1. An object is the basic unit of object-oriented programming and represents an instance of a class. Objects have unique names and can hold their own data.
2. A class defines a collection of similar objects. Instances are objects created from classes through a process called instantiation.
3. Object-oriented programming organizes programs around objects and a set of well-defined interfaces to access object data. Data is encapsulated within classes and accessed through member functions.
TOPS Technologies Leading IT Training Institute offer training in Php, .Net, Java, iPhone, Android, Software testing and SEO. By TOPS Technologies. http://www.tops-int.com
core java online training - eglobalsystemsShikha Jaiswal
Eglobalsystems Offering Core Java Real-time Online Training Classes For Weekend And Regular Batches For Individuals And Professionals. Eglobalsystems Offering Free DEMO/ Seminar On Core Java Access Control By Real Time Expert. Once Experience Our Free Sessions And Decide Further.
This document contains 20 Java-related questions covering topics such as abstract classes, threads, static methods and variables, exceptions, serialization, and daemon threads. The questions ask about the purpose of abstract classes, different ways to use threads, what static means in Java, what would happen if the main method was declared as private, how to check if an array is empty rather than null, whether an application can have multiple classes with main methods, the difference between checked and unchecked exceptions, whether importing a package imports subpackages, if a top-level class can be private or protected, what serialization is, if objects are passed by value or reference, what the Externalizable interface is, what to consider when serializing objects, the difference between
This document discusses various metaprogramming techniques in Ruby including monkey patching, open classes, class and module definitions, method execution context, dynamic and ghost methods, method missing, closures, scope gates, instance eval, class eval, class variables, singleton methods, eigenclasses, and method aliases. It provides examples and explanations of how to programmatically modify classes and define methods at runtime in Ruby.
The document discusses the static keyword in Java. It explains that static members belong to the class rather than objects, and are loaded when the class is loaded. Static variables and methods can be accessed without creating an object. Constructors are used to initialize non-static variables when an object is created. Static blocks run when the class is loaded and can initialize static variables.
This slide about presentation of Object Oriented Programing or OOP contains Fundamental of OOP
Encapsulation
Inheritance
Abstract Class
Association
Polymorphism
Interface
Exceptional Handling
and more.
EEE oops Vth semester viva questions with answerJeba Moses
1. An object is the basic unit of object-oriented programming and represents an instance of a class. Objects have unique names and can hold their own data.
2. A class defines a collection of similar objects. Instances are objects created from classes through a process called instantiation.
3. Object-oriented programming organizes programs around objects and a set of well-defined interfaces to access object data. Data is encapsulated within classes and accessed through member functions.
TOPS Technologies Leading IT Training Institute offer training in Php, .Net, Java, iPhone, Android, Software testing and SEO. By TOPS Technologies. http://www.tops-int.com
This document contains 30 questions related to important Java concepts:
1. It asks about platform independence, the JVM, differences between the JDK and JVM, object-oriented features like inheritance and encapsulation, primitive vs reference types, scoping rules, packages and access modifiers.
2. Questions range from basic Java keywords and syntax like main methods, final variables and methods to more advanced topics such as multiple inheritance, packages and class access levels.
3. The document covers core Java concepts and is a good reference for a beginner or intermediate Java developer to test their knowledge.
This document provides an overview of topics related to object-oriented programming in Java, including basic OOP concepts, Java features, classes and objects, arrays and strings, inheritance and interfaces, packages, exception handling, multithreading, and applets. It lists over 100 questions covering these topics, such as defining objects and classes, access modifiers, method overloading and overriding, exception types, thread life cycles, and the applet lifecycle. The questions are intended to help learn about and understand key aspects of programming in Java from an object-oriented perspective.
This document contains 113 questions related to the subject of Programming in Java. The questions cover topics such as OOP concepts, classes, methods, inheritance, polymorphism, exceptions, threads, applets, and more. The document appears to be a question bank for a Master of Computer Application course at RV College of Engineering.
This document contains 30 Java interview questions for freshers. The questions cover core Java concepts like object-oriented programming principles, inheritance, polymorphism, exceptions, threads, and more. They also include questions on Java features like constructors, static and non-static methods, final keyword, and garbage collection. The document is from Vestino Technologies and provides their address in Chennai, India.
Do you have what it takes to ace a Java Interview? We are here to help you in consolidating your knowledge and concepts in Java. The following article will cover all the popular Java interview questions for freshers as well as experienced candidates in depth.
Go through all the questions to enhance your chances of performing well in the interviews. The questions will revolve around the basic and core fundamentals of Java.
So, let’s dive deep into the plethora of useful interview questions on Java.
Top 10 Interview Questions for Java watch this PPT and you will find out the most frequently asked questions in the technical interviews.
Call Now For Catia Training, Projects and Report :- 95698-06826, 0172-4183134
Website:- www.emetechnologies.com
Java Training in Mohali | Chandigarh
6 Months Java Industrial Training in Mohali | Chandigarh
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Top 1000 Java Interview Questions Includes Spring, Hibernate, Microservices, ...Ankit Kumar
This document provides an overview and table of contents for a book titled "Top 1000 Java Interview Questions & Answers" by Knowledge Powerhouse. It includes the copyright information, a dedication, and lists chapter titles covering topics like Java basics, OOP principles, inheritance, static methods, method overloading and overriding, polymorphism, abstraction, final keywords, packages, internationalization, serialization, reflection, garbage collection, inner classes, strings, exception handling, multi-threading, and collections. The document gives a high-level outline of the technical concepts and questions that will be covered in the book.
What are the most common java interview questionsEdUKoT
This document lists and briefly describes 20 of the most common Java interview questions, including questions about the differences between JDK, JRE, and JVM, object-oriented vs object-based programming, abstract classes vs interfaces, method overloading vs overriding, serialization, singleton classes, and differences between various Java classes like StringBuffer/StringBuilder, ArrayList/Vector, and Iterator/ListIterator.
Softvamp techno solutions technical questions for java 2 years experience con...SoftvampTechnoSoluti
This document contains 30 technical questions related to Java programming. It covers topics like the main features of Java, object-oriented programming principles, inheritance, polymorphism, method overloading and overriding, threads, exceptions, static vs non-static methods, and data types. The questions are designed to test a Java developer's understanding of core Java concepts, features and programming techniques.
This document contains 21 questions about abstract classes and interfaces in Java. Some of the questions asked are: can an abstract method be declared as static, can an abstract method be declared private, what is a concrete method, when should abstract classes be used, how is abstraction implemented in Java, can an abstract class have a constructor, what happens if all abstract methods are not overridden in a subclass, and what are the differences between abstraction and encapsulation. It also asks about modifiers that can be used for methods and variables in interfaces.
1) What is your background programming with Java2) What are the J.pdffckindswear
1) What is your background programming with Java?
2) What are the Java Platform, Java Standard Edition (SE), and Java Enterprise Edition (EE)?
What will we be using in this course?
3) What issues are involved in installing the Java Standard Edition (SE) 8 Java Development Kit
(JDK)?
4) What is the PATH environment variable and how is it configured?
5) What is the CLASSPATH environment variable and how is it configured?
6) Why might using a JAVA_HOME environment variable make things easier? Do you need to
use this environment variable?
7) What are some of the important terms and concepts involved in object-oriented programming?
8) What is meant by the term inheritance with respect to object-oriented programming?
9) How is polymorphism related to inheritance?
10) What is bytecode and why is this a useful feature of Java?
11) What is a JVM and where do they exist?
12) What is the difference between a Java application and a Java applet? What is the main()
method and which one has this?
13) What are Java classes and methods and how are they related? What is the Java main method?
14) How are Java programs compiled and executed?
15) What is the JOptionPane class?
16) What it the Scanner class and how does this differ from the JOptionPane class?
17) What are the 8 Java primitive data types?
18) What is the difference between variables and constants? How are constants defined in Java?
19) Which IDE will you be using in this class and why?
Solution
1.Object oriented programming is the background for java
2.java platform are
Standard edition
Enterprise edition
Oracle standard edition 8 is currently used moreover and hence we use the same here.
3.issues during installation
4.environment variable is a string which sets them to the current environment.
In windows
5.the class path is given or set by the following command
Set CLASSPATH =path1;path3;
6.using home environment variable helps for easy update of the JDK.
7.class ,objects
Encapsulation,inheritance, polymorphism
8.inheritance is used to derive any data from base class to the derived class
9.Both polymorphism and inheritance uses the concept of super class and sub class but they
differ in just a small aspect that polymorphism is used to change the aspect of super class while
inheritance is used to develop or extent the behavior of super class
10.java programs main advantage is the byte code.Bytecode makes the java platform
independent.Java program is converted in to bytecode which can be run anywhere.
11.JVM is the java virtual machine which is a abstract computing machine that enables computer
to run java program.
12.java application is just like program that run in our computer but the java applet are runned in
the web browser and it is downloaded from the web server when it is needed.
13.java classes
Java classes consist of variable and methods.
Java method:
Java method is the set of code within a curly braces which perform a certain task.
Main method must be available in any of the classes of al.
It contains a comprehensive list of questions commonly asked during Java interviews. It includes questions on topics such as object-oriented programming, multi-threading, collections, garbage collection, memory management, exception handling, and much more.
Basic java important interview questions and answers to secure a jobGaruda Trainings
P2Cinfotech is one of the leading, Online IT Training facilities and Job Consultant, spread all over the world. We have successfully conducted online classes on various Software Technologies that are currently in Demand. To name a few, we provide quality online training for QA, QTP, Manual Testing, HP LoadRunner, BA, Java Technologies, SEO, Web Technologies, .NET, Oracle DBA etc.
Top 30 Java Phone Interview Questions Answers for Freshers, 1 to 2 Years Expe...SynergisticMedia
In this Java interview questions blog, you will find the most asked questions and answers for Java interviews. Practicing these questions will help crack the interview. So, let's get started.
This question bank is with basic questions for preparing interview,exams related to object oriented programming with c++,and java.This is explicitly designed for students to enhance their programming skills.
Java is a platform independent language that allows code to be written once and run on any supported platform without recompilation. The Java Virtual Machine (JVM) provides the runtime environment for compiled Java code, but JVMs themselves are platform specific. The Java Development Kit (JDK) includes tools for development like compilers as well as the JVM for execution, while the JVM only provides runtime support. Java does not support pointers, multiple inheritance, or operator overloading for simplicity and security. Classes extend the Object class by default, and interfaces can extend multiple other interfaces to achieve polymorphism.
This document provides information about Java programming questions that are commonly asked in interviews and exams. It lists 30 Java programming questions and their answers on topics like OOPs concepts, multithreading, exceptions, JDBC, serialization and more. The document also provides links to connect with the authors on social media and messaging platforms like WhatsApp, Telegram, Facebook, Twitter etc. for any doubts or feedback. It reminds the reader to practice all the questions well to build a clear understanding of concepts and score well in exams.
This document contains 30 questions about Java programming concepts including:
- Methods for starting a thread and thread states
- Access modifiers like private, protected, and public
- Relationships between classes like Canvas and Graphics
- Syntax elements like packages and import statements
- Exceptions and exception handling
- Inheritance and polymorphism
Multiple Choice Questions on JAVA (object oriented programming) bank 8 -- int...Kuntal Bhowmick
This document contains a bank of multiple choice questions about object oriented programming interfaces. It includes 21 questions about interfaces, each with 4 possible answers, followed by an explanation of the correct answer. The questions cover topics like how interfaces define methods without implementation, how classes implement interfaces, and how interfaces can extend other interfaces.
Multiple Choice Questions on JAVA (object oriented programming) bank 7 -- abs...Kuntal Bhowmick
The document contains a collection of multiple choice questions and answers about abstract classes in object-oriented programming. It includes 14 questions that test understanding of key concepts of abstract classes such as: when the abstract keyword is used, defining abstract methods, preventing instantiation of abstract classes, requiring subclasses to implement abstract methods, and preventing inheritance of classes. Each question is presented on an even page with its answer on the adjacent odd page.
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Similar to Class test 1 sample and suggestive questions
This document contains 30 questions related to important Java concepts:
1. It asks about platform independence, the JVM, differences between the JDK and JVM, object-oriented features like inheritance and encapsulation, primitive vs reference types, scoping rules, packages and access modifiers.
2. Questions range from basic Java keywords and syntax like main methods, final variables and methods to more advanced topics such as multiple inheritance, packages and class access levels.
3. The document covers core Java concepts and is a good reference for a beginner or intermediate Java developer to test their knowledge.
This document provides an overview of topics related to object-oriented programming in Java, including basic OOP concepts, Java features, classes and objects, arrays and strings, inheritance and interfaces, packages, exception handling, multithreading, and applets. It lists over 100 questions covering these topics, such as defining objects and classes, access modifiers, method overloading and overriding, exception types, thread life cycles, and the applet lifecycle. The questions are intended to help learn about and understand key aspects of programming in Java from an object-oriented perspective.
This document contains 113 questions related to the subject of Programming in Java. The questions cover topics such as OOP concepts, classes, methods, inheritance, polymorphism, exceptions, threads, applets, and more. The document appears to be a question bank for a Master of Computer Application course at RV College of Engineering.
This document contains 30 Java interview questions for freshers. The questions cover core Java concepts like object-oriented programming principles, inheritance, polymorphism, exceptions, threads, and more. They also include questions on Java features like constructors, static and non-static methods, final keyword, and garbage collection. The document is from Vestino Technologies and provides their address in Chennai, India.
Do you have what it takes to ace a Java Interview? We are here to help you in consolidating your knowledge and concepts in Java. The following article will cover all the popular Java interview questions for freshers as well as experienced candidates in depth.
Go through all the questions to enhance your chances of performing well in the interviews. The questions will revolve around the basic and core fundamentals of Java.
So, let’s dive deep into the plethora of useful interview questions on Java.
Top 10 Interview Questions for Java watch this PPT and you will find out the most frequently asked questions in the technical interviews.
Call Now For Catia Training, Projects and Report :- 95698-06826, 0172-4183134
Website:- www.emetechnologies.com
Java Training in Mohali | Chandigarh
6 Months Java Industrial Training in Mohali | Chandigarh
Java Summer Training in Mohali | Chandigarh
Top 1000 Java Interview Questions Includes Spring, Hibernate, Microservices, ...Ankit Kumar
This document provides an overview and table of contents for a book titled "Top 1000 Java Interview Questions & Answers" by Knowledge Powerhouse. It includes the copyright information, a dedication, and lists chapter titles covering topics like Java basics, OOP principles, inheritance, static methods, method overloading and overriding, polymorphism, abstraction, final keywords, packages, internationalization, serialization, reflection, garbage collection, inner classes, strings, exception handling, multi-threading, and collections. The document gives a high-level outline of the technical concepts and questions that will be covered in the book.
What are the most common java interview questionsEdUKoT
This document lists and briefly describes 20 of the most common Java interview questions, including questions about the differences between JDK, JRE, and JVM, object-oriented vs object-based programming, abstract classes vs interfaces, method overloading vs overriding, serialization, singleton classes, and differences between various Java classes like StringBuffer/StringBuilder, ArrayList/Vector, and Iterator/ListIterator.
Softvamp techno solutions technical questions for java 2 years experience con...SoftvampTechnoSoluti
This document contains 30 technical questions related to Java programming. It covers topics like the main features of Java, object-oriented programming principles, inheritance, polymorphism, method overloading and overriding, threads, exceptions, static vs non-static methods, and data types. The questions are designed to test a Java developer's understanding of core Java concepts, features and programming techniques.
This document contains 21 questions about abstract classes and interfaces in Java. Some of the questions asked are: can an abstract method be declared as static, can an abstract method be declared private, what is a concrete method, when should abstract classes be used, how is abstraction implemented in Java, can an abstract class have a constructor, what happens if all abstract methods are not overridden in a subclass, and what are the differences between abstraction and encapsulation. It also asks about modifiers that can be used for methods and variables in interfaces.
1) What is your background programming with Java2) What are the J.pdffckindswear
1) What is your background programming with Java?
2) What are the Java Platform, Java Standard Edition (SE), and Java Enterprise Edition (EE)?
What will we be using in this course?
3) What issues are involved in installing the Java Standard Edition (SE) 8 Java Development Kit
(JDK)?
4) What is the PATH environment variable and how is it configured?
5) What is the CLASSPATH environment variable and how is it configured?
6) Why might using a JAVA_HOME environment variable make things easier? Do you need to
use this environment variable?
7) What are some of the important terms and concepts involved in object-oriented programming?
8) What is meant by the term inheritance with respect to object-oriented programming?
9) How is polymorphism related to inheritance?
10) What is bytecode and why is this a useful feature of Java?
11) What is a JVM and where do they exist?
12) What is the difference between a Java application and a Java applet? What is the main()
method and which one has this?
13) What are Java classes and methods and how are they related? What is the Java main method?
14) How are Java programs compiled and executed?
15) What is the JOptionPane class?
16) What it the Scanner class and how does this differ from the JOptionPane class?
17) What are the 8 Java primitive data types?
18) What is the difference between variables and constants? How are constants defined in Java?
19) Which IDE will you be using in this class and why?
Solution
1.Object oriented programming is the background for java
2.java platform are
Standard edition
Enterprise edition
Oracle standard edition 8 is currently used moreover and hence we use the same here.
3.issues during installation
4.environment variable is a string which sets them to the current environment.
In windows
5.the class path is given or set by the following command
Set CLASSPATH =path1;path3;
6.using home environment variable helps for easy update of the JDK.
7.class ,objects
Encapsulation,inheritance, polymorphism
8.inheritance is used to derive any data from base class to the derived class
9.Both polymorphism and inheritance uses the concept of super class and sub class but they
differ in just a small aspect that polymorphism is used to change the aspect of super class while
inheritance is used to develop or extent the behavior of super class
10.java programs main advantage is the byte code.Bytecode makes the java platform
independent.Java program is converted in to bytecode which can be run anywhere.
11.JVM is the java virtual machine which is a abstract computing machine that enables computer
to run java program.
12.java application is just like program that run in our computer but the java applet are runned in
the web browser and it is downloaded from the web server when it is needed.
13.java classes
Java classes consist of variable and methods.
Java method:
Java method is the set of code within a curly braces which perform a certain task.
Main method must be available in any of the classes of al.
It contains a comprehensive list of questions commonly asked during Java interviews. It includes questions on topics such as object-oriented programming, multi-threading, collections, garbage collection, memory management, exception handling, and much more.
Basic java important interview questions and answers to secure a jobGaruda Trainings
P2Cinfotech is one of the leading, Online IT Training facilities and Job Consultant, spread all over the world. We have successfully conducted online classes on various Software Technologies that are currently in Demand. To name a few, we provide quality online training for QA, QTP, Manual Testing, HP LoadRunner, BA, Java Technologies, SEO, Web Technologies, .NET, Oracle DBA etc.
Top 30 Java Phone Interview Questions Answers for Freshers, 1 to 2 Years Expe...SynergisticMedia
In this Java interview questions blog, you will find the most asked questions and answers for Java interviews. Practicing these questions will help crack the interview. So, let's get started.
This question bank is with basic questions for preparing interview,exams related to object oriented programming with c++,and java.This is explicitly designed for students to enhance their programming skills.
Java is a platform independent language that allows code to be written once and run on any supported platform without recompilation. The Java Virtual Machine (JVM) provides the runtime environment for compiled Java code, but JVMs themselves are platform specific. The Java Development Kit (JDK) includes tools for development like compilers as well as the JVM for execution, while the JVM only provides runtime support. Java does not support pointers, multiple inheritance, or operator overloading for simplicity and security. Classes extend the Object class by default, and interfaces can extend multiple other interfaces to achieve polymorphism.
This document provides information about Java programming questions that are commonly asked in interviews and exams. It lists 30 Java programming questions and their answers on topics like OOPs concepts, multithreading, exceptions, JDBC, serialization and more. The document also provides links to connect with the authors on social media and messaging platforms like WhatsApp, Telegram, Facebook, Twitter etc. for any doubts or feedback. It reminds the reader to practice all the questions well to build a clear understanding of concepts and score well in exams.
This document contains 30 questions about Java programming concepts including:
- Methods for starting a thread and thread states
- Access modifiers like private, protected, and public
- Relationships between classes like Canvas and Graphics
- Syntax elements like packages and import statements
- Exceptions and exception handling
- Inheritance and polymorphism
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Determination of Equivalent Circuit parameters and performance characteristic...pvpriya2
Includes the testing of induction motor to draw the circle diagram of induction motor with step wise procedure and calculation for the same. Also explains the working and application of Induction generator
Applications of artificial Intelligence in Mechanical Engineering.pdfAtif Razi
Historically, mechanical engineering has relied heavily on human expertise and empirical methods to solve complex problems. With the introduction of computer-aided design (CAD) and finite element analysis (FEA), the field took its first steps towards digitization. These tools allowed engineers to simulate and analyze mechanical systems with greater accuracy and efficiency. However, the sheer volume of data generated by modern engineering systems and the increasing complexity of these systems have necessitated more advanced analytical tools, paving the way for AI.
AI offers the capability to process vast amounts of data, identify patterns, and make predictions with a level of speed and accuracy unattainable by traditional methods. This has profound implications for mechanical engineering, enabling more efficient design processes, predictive maintenance strategies, and optimized manufacturing operations. AI-driven tools can learn from historical data, adapt to new information, and continuously improve their performance, making them invaluable in tackling the multifaceted challenges of modern mechanical engineering.
1. OOP Class Test – 1 on 08-03-2013 (Fri) at 3.10 pm
Syllabus – Week 1 to Week -4 (up to Arrays and Strings) see course schedule more details.
F.M. = 15
Time = 40 mins
Suggestive Questions
1. What are the most important features of Java?
2. What do you mean by platform independence?
3. What is a JVM?
4. Are JVM's platform independent?
5. What is the difference between a JDK and a JVM?
6. What is a pointer and does Java support pointers?
7. What are local variables?
8. What are instance variables?
9. How to define a constant variable in Java?
10. What is the return type of the main() method?
11. Why is the main() method declared static?
12. What is the argument of main() method?
13. Can a source file contain more than one class declaration?
14. What is the purpose of declaring a variable as final?
15. What is the impact of declaring a method as final?
16. I don't want my class to be inherited by any other class. What should i do?
17. What is the importance of static variable?
18. Why main() in java is declared as public static void main?
19. What is the difference between constructor method and method?
20. What is meant by variable? What are the kinds of variables in Java? What are their uses?
21. What is an array? What is a string?
22. What are operators and what are the various types of operators available in Java?
23. What are difference between break and continue?
24. What is the difference between while statement and a do statement?
25. What is a constructor?
26. Which method is used to garbage collect an object?
27. What are the functions of the dot(.) operator?
28. What are the different access modifiers in java?
29. What is data hiding?
30. Why the java file name is same as the class name that contains the main method?
31. What is bytecode?
32. How to compile and execute a java program?
Programs
Assignment Programs and simple programs from arrays and strings.