This document discusses Java programming and packages. It introduces Java, describes its key features like platform independence and object orientation. It then covers features of packages in Java like organization and reusability. It discusses standard Java packages like java.lang and java.io and how to create user-defined packages. The document also lists advantages like ease of learning and disadvantages like slow performance of Java. It concludes that Java allows type-safe programming but requires more expressive power.
The document summarizes a summer training presentation on Java. It introduces Java and its key features like platform independence, encapsulation, and being distributed. It describes Java packages and standard Java packages. It discusses creating packages and the java.lang and java.io packages. The document lists advantages of Java like being easy to learn and object-oriented, and disadvantages like being slow. It concludes that Java offers type safety but needs more expressive power.
This document introduces Java, describing it as an object-oriented programming language invented in 1994 that is platform independent and includes built-in APIs for graphics and user interfaces. It lists some key features of Java like encapsulation, dynamic binding, and being portable and multithreaded. It also discusses standard Java packages like java.lang and java.io, and how to create user-defined packages in Java using the package keyword.
Java was invented by James Gosling and others at Sun Microsystems in 1994 as an object-oriented programming language with built-in APIs. It is platform independent, allows for dynamic binding and distributed applications, and is portable, multithreaded, and robust. The document discusses Java's key features and packages like java.lang and java.io, how to create user-defined packages, and provides examples of a Sudoku solver program. It concludes that Java offers type safety but needs more expressive power.
This document provides an introduction to Java programming. It discusses the history of Java, describing how it was created at Sun Microsystems in 1991 and named after the Oak tree outside James Gosling's window. It also explains that Java is a full-featured programming language designed to add flexibility and functionality to web pages. The document outlines how Java handles security and portability issues by using bytecode that can run on any Java Virtual Machine. It describes the two main components of the Java platform - the Java Virtual Machine and Java Applications Programming Interface (API) - and provides an overview of some key Java API packages, including those for applets, graphics, input/output, and networking.
This document provides an overview of Java for Perl programmers. It describes Java as an object-oriented language with a virtual machine that allows applications to run on any system with a JVM. While Java and Perl have similar performance, Java may be preferable for building cross-platform GUIs, client applications like applets, or applications that interact heavily with databases. Perl remains a better choice for procedural or hybrid approaches and for integrating with Unix shells. Programmers should understand both languages to choose the best for each project.
This document provides an overview of Java for Perl programmers. It describes Java as an object-oriented language with a virtual machine that allows applications to run on any system with a JVM. While Java and Perl have similar performance, Java may be preferable for building cross-platform GUIs, client applications like applets, or applications that interact heavily with databases. Perl remains a better choice for procedural or hybrid approaches and for integrating with Unix shells. Programmers should understand both languages to choose the best for each project.
In this Java tutorial, we are going to learn about java evolution, development of Java language, java features, Java frameworks, and Java support systems. Java tutorial covers various development tools, classes in Java programming, and Java methods which comprises the Java environment. This tutorial on java will help you get a quick insight into the Java programming language and thus, help you learn java language.
This document discusses Java programming and packages. It introduces Java, describes its key features like platform independence and object orientation. It then covers features of packages in Java like organization and reusability. It discusses standard Java packages like java.lang and java.io and how to create user-defined packages. The document also lists advantages like ease of learning and disadvantages like slow performance of Java. It concludes that Java allows type-safe programming but requires more expressive power.
The document summarizes a summer training presentation on Java. It introduces Java and its key features like platform independence, encapsulation, and being distributed. It describes Java packages and standard Java packages. It discusses creating packages and the java.lang and java.io packages. The document lists advantages of Java like being easy to learn and object-oriented, and disadvantages like being slow. It concludes that Java offers type safety but needs more expressive power.
This document introduces Java, describing it as an object-oriented programming language invented in 1994 that is platform independent and includes built-in APIs for graphics and user interfaces. It lists some key features of Java like encapsulation, dynamic binding, and being portable and multithreaded. It also discusses standard Java packages like java.lang and java.io, and how to create user-defined packages in Java using the package keyword.
Java was invented by James Gosling and others at Sun Microsystems in 1994 as an object-oriented programming language with built-in APIs. It is platform independent, allows for dynamic binding and distributed applications, and is portable, multithreaded, and robust. The document discusses Java's key features and packages like java.lang and java.io, how to create user-defined packages, and provides examples of a Sudoku solver program. It concludes that Java offers type safety but needs more expressive power.
This document provides an introduction to Java programming. It discusses the history of Java, describing how it was created at Sun Microsystems in 1991 and named after the Oak tree outside James Gosling's window. It also explains that Java is a full-featured programming language designed to add flexibility and functionality to web pages. The document outlines how Java handles security and portability issues by using bytecode that can run on any Java Virtual Machine. It describes the two main components of the Java platform - the Java Virtual Machine and Java Applications Programming Interface (API) - and provides an overview of some key Java API packages, including those for applets, graphics, input/output, and networking.
This document provides an overview of Java for Perl programmers. It describes Java as an object-oriented language with a virtual machine that allows applications to run on any system with a JVM. While Java and Perl have similar performance, Java may be preferable for building cross-platform GUIs, client applications like applets, or applications that interact heavily with databases. Perl remains a better choice for procedural or hybrid approaches and for integrating with Unix shells. Programmers should understand both languages to choose the best for each project.
This document provides an overview of Java for Perl programmers. It describes Java as an object-oriented language with a virtual machine that allows applications to run on any system with a JVM. While Java and Perl have similar performance, Java may be preferable for building cross-platform GUIs, client applications like applets, or applications that interact heavily with databases. Perl remains a better choice for procedural or hybrid approaches and for integrating with Unix shells. Programmers should understand both languages to choose the best for each project.
In this Java tutorial, we are going to learn about java evolution, development of Java language, java features, Java frameworks, and Java support systems. Java tutorial covers various development tools, classes in Java programming, and Java methods which comprises the Java environment. This tutorial on java will help you get a quick insight into the Java programming language and thus, help you learn java language.
This document provides an overview of the Java programming language, including its history, key characteristics, and uses. It describes how Java was created in the 1990s to be a portable, platform-independent language for developing applications on the internet (World Wide Web) and other networks. The document outlines Java's main features, such as being object-oriented, interpreted, robust, secure, distributed, and architecture neutral, which allow programs written in Java to "write once run anywhere" on different operating systems and hardware.
Java is a popular object-oriented, general-purpose, and class-based programming language. It has been created to have fewer implementation dependencies.
Developers around the world consider java as secure, fast, and a very reliable programming language. It is being used for developing simple to complex java applications used in mobiles, computers, data centres, scientific computers, ATM machines, etc.
The document provides an introduction and overview of the Java programming language. It discusses Java's history, being created by James Gosling in 1991 and first released publicly in 1996. It then covers key Java terminology like the Java Virtual Machine, bytecode, and garbage collector. The main features of Java are described as being platform independent, object-oriented, simple, robust, secure, and distributed. Basic Java syntax is introduced, including classes, objects, methods, and variables. The document also discusses Java identifiers and keywords.
This document provides an overview of key Java concepts including byte code, the Java Runtime Environment (JRE), the Java Virtual Machine (JVM), garbage collection, APIs, just-in-time (JIT) compilation, and features of the Java language such as being platform independent, portable, robust, and object oriented. It also discusses Java data types, variables, compiling Java programs with javac, and running Java programs with java.
This document provides an overview of the Java programming language. It discusses that Java was created by James Gosling in 1991 at Sun Microsystems as a class-based, object-oriented language designed to be portable and have as few implementation dependencies as possible. The first public version was released in 1995. Java's syntax is similar to C and C++ but is simpler. It aims to allow software to be written once and run on any system with a Java Virtual Machine.
Java's Journey: Understanding Features and Envisioning Its Future Scopepriyanka rajput
Java's journey from its inception to the present day has been a testament to its growth, adaptability, and steadfast commitment to its principles. Its rich feature set has empowered developers to create an extensive array of exceptional applications. As Java continues to evolve, its future holds promise in domains like cloud computing, IoT, machine learning, and beyond. Java remains positioned for a bright future, and the demand for Java developers is poised to continue its upward trajectory.
Java is a functional computer programming language that is concurrent, class-based, object-oriented, and specifically designed to have as few implementation dependencies as possible. It is intended to let application developers "write once, run anywhere" (WORA),meaning that code that runs on one platform does not need to be recompiled to run on another. Java applications are typically compiled to bytecode that can run on any Java virtual machine (JVM) regardless of computer architecture. Java is, as of 2015, one of the most popular programming languages in use, particularly for client-server web applications, with a reported 9 million developers. Java was originally developed by James Gosling at Sun Microsystems (which has since merged into Oracle Corporation) and released in 1995 as a core component of Sun Microsystems' Java platform. The language derives much of its syntax from C and C++, but it has fewer low-level facilities than either of them.
The original and reference implementation Java compilers, virtual machines, and class libraries were originally released by Sun under proprietary licences. As of May 2007, in compliance with the specifications of the Java Community Process, Sun relicensed most of its Java technologies under the GNU General Public License. Others have also developed alternative implementations of these Sun technologies, such as the GNU Compiler for Java (bytecode compiler), GNU Classpath (standard libraries), and IcedTea-Web (browser plugin for applets).
Must Know Interview questions in Java.pptxsweetlinchibi
The document discusses key concepts in Java including platforms that support Java, objects and classes, exceptions, encapsulation, interfaces, packages, JAR and WAR files, and final classes. It defines objects as standard Java components with state and behavior. Classes are templates for creating similar objects that share characteristics and properties. Exceptions disrupt normal program flow. Encapsulation hides data fields through private access and public methods. Interfaces specify class behavior through abstract method signatures. Packages group related classes and prevent naming conflicts. JAR files contain Java classes and metadata, while WAR files contain web application files. Final classes make methods and implementations immutable.
Java is an object-oriented programming language originally designed for consumer electronic devices. It differs from C and C++ by not supporting features like operator overloading and multiple inheritance. Java applications can be applets, GUI programs, command line programs, or library packages. Java code is compiled to bytecode that can run on any platform with a Java Virtual Machine, making Java portable.
The document provides an introduction to Java programming, covering key object-oriented programming concepts like encapsulation, inheritance and polymorphism. It discusses the history and development of Java, comparing it to C++, and outlines core Java concepts such as classes, objects, methods and packages. The document also examines Java features like automatic memory management, type safety and platform independence.
Java can be used to build desktop applications and is well-suited for this purpose for several reasons. It is a general-purpose, platform-independent language that is widely used for both desktop and internet applications. The Java Standard Edition contains capabilities for developing desktop and server software, while the Java Enterprise Edition is focused on large distributed systems and web applications. Key Java concepts for building desktop apps include packages, classes, objects, and methods. Developers must install the JDK, create packages and classes, compile, and run their code to build a desktop application with Java.
Best Real-time Summer Internship Program on Java Course for btech, cse, ece Students. We Provide online Java Summer Internship Course for 2022 freshers with certification in various Professional Courses.
This document provides an introduction to object oriented programming in Java. It outlines the course objectives which are to learn Java basics, object oriented principles, Java APIs, exception handling, files, threads, applets and swings. It discusses key characteristics of Java including being portable, object oriented and having automatic memory management. It also provides an overview of Java environments and tools, and includes an example "Hello World" Java program.
Introduction to JAVA Programming
When Java?
Why Java?
How Java?
Where Java?
Architecture of java
Byte code of class file
Java class file to byte code class file.
Tools and Technology
Net-beans, Eclipse
This document provides an overview of Java technology presented during a summer training. It discusses what Java is as an object-oriented programming language that runs on any system, as well as object-oriented programming principles like encapsulation, inheritance, and polymorphism. The document also covers why Java is used, its characteristics, use in web applications, core packages, versions of the Java Development Kit, the Java life cycle, a simple Java program example, and a student's text editor project.
Programming languages allow users to instruct computers to perform tasks. There are two main types: procedural and object-oriented. Procedural languages organize code into procedures that manipulate shared data, while object-oriented languages bundle data and functions into objects to improve security and reuse. Java is an object-oriented language that is portable, platform-independent, and secure. It uses a virtual machine (JVM) to execute programs on any system. JDBC provides an API for Java programs to connect to databases and submit SQL queries.
Features Of Java
Like On Facebook:
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What is Java Part - 1:
slideshare.net/MuhammadAtif231/what-is-java-part-1
History Of Java Part - 2
https://www.slideshare.net/MuhammadAtif231/history-of-java-part-2
This document provides an overview of the Java programming language. It discusses that Java is an object-oriented language created by James Gosling in 1991. It then lists the major versions of Java and describes some of its key features like being platform independent, secure, robust and portable. The document also provides brief explanations of Java concepts like the Java Virtual Machine, Java Runtime Environment and Java Development Kit.
This document provides an overview of the Java programming language, including its history, key characteristics, and uses. It describes how Java was created in the 1990s to be a portable, platform-independent language for developing applications on the internet (World Wide Web) and other networks. The document outlines Java's main features, such as being object-oriented, interpreted, robust, secure, distributed, and architecture neutral, which allow programs written in Java to "write once run anywhere" on different operating systems and hardware.
Java is a popular object-oriented, general-purpose, and class-based programming language. It has been created to have fewer implementation dependencies.
Developers around the world consider java as secure, fast, and a very reliable programming language. It is being used for developing simple to complex java applications used in mobiles, computers, data centres, scientific computers, ATM machines, etc.
The document provides an introduction and overview of the Java programming language. It discusses Java's history, being created by James Gosling in 1991 and first released publicly in 1996. It then covers key Java terminology like the Java Virtual Machine, bytecode, and garbage collector. The main features of Java are described as being platform independent, object-oriented, simple, robust, secure, and distributed. Basic Java syntax is introduced, including classes, objects, methods, and variables. The document also discusses Java identifiers and keywords.
This document provides an overview of key Java concepts including byte code, the Java Runtime Environment (JRE), the Java Virtual Machine (JVM), garbage collection, APIs, just-in-time (JIT) compilation, and features of the Java language such as being platform independent, portable, robust, and object oriented. It also discusses Java data types, variables, compiling Java programs with javac, and running Java programs with java.
This document provides an overview of the Java programming language. It discusses that Java was created by James Gosling in 1991 at Sun Microsystems as a class-based, object-oriented language designed to be portable and have as few implementation dependencies as possible. The first public version was released in 1995. Java's syntax is similar to C and C++ but is simpler. It aims to allow software to be written once and run on any system with a Java Virtual Machine.
Java's Journey: Understanding Features and Envisioning Its Future Scopepriyanka rajput
Java's journey from its inception to the present day has been a testament to its growth, adaptability, and steadfast commitment to its principles. Its rich feature set has empowered developers to create an extensive array of exceptional applications. As Java continues to evolve, its future holds promise in domains like cloud computing, IoT, machine learning, and beyond. Java remains positioned for a bright future, and the demand for Java developers is poised to continue its upward trajectory.
Java is a functional computer programming language that is concurrent, class-based, object-oriented, and specifically designed to have as few implementation dependencies as possible. It is intended to let application developers "write once, run anywhere" (WORA),meaning that code that runs on one platform does not need to be recompiled to run on another. Java applications are typically compiled to bytecode that can run on any Java virtual machine (JVM) regardless of computer architecture. Java is, as of 2015, one of the most popular programming languages in use, particularly for client-server web applications, with a reported 9 million developers. Java was originally developed by James Gosling at Sun Microsystems (which has since merged into Oracle Corporation) and released in 1995 as a core component of Sun Microsystems' Java platform. The language derives much of its syntax from C and C++, but it has fewer low-level facilities than either of them.
The original and reference implementation Java compilers, virtual machines, and class libraries were originally released by Sun under proprietary licences. As of May 2007, in compliance with the specifications of the Java Community Process, Sun relicensed most of its Java technologies under the GNU General Public License. Others have also developed alternative implementations of these Sun technologies, such as the GNU Compiler for Java (bytecode compiler), GNU Classpath (standard libraries), and IcedTea-Web (browser plugin for applets).
Must Know Interview questions in Java.pptxsweetlinchibi
The document discusses key concepts in Java including platforms that support Java, objects and classes, exceptions, encapsulation, interfaces, packages, JAR and WAR files, and final classes. It defines objects as standard Java components with state and behavior. Classes are templates for creating similar objects that share characteristics and properties. Exceptions disrupt normal program flow. Encapsulation hides data fields through private access and public methods. Interfaces specify class behavior through abstract method signatures. Packages group related classes and prevent naming conflicts. JAR files contain Java classes and metadata, while WAR files contain web application files. Final classes make methods and implementations immutable.
Java is an object-oriented programming language originally designed for consumer electronic devices. It differs from C and C++ by not supporting features like operator overloading and multiple inheritance. Java applications can be applets, GUI programs, command line programs, or library packages. Java code is compiled to bytecode that can run on any platform with a Java Virtual Machine, making Java portable.
The document provides an introduction to Java programming, covering key object-oriented programming concepts like encapsulation, inheritance and polymorphism. It discusses the history and development of Java, comparing it to C++, and outlines core Java concepts such as classes, objects, methods and packages. The document also examines Java features like automatic memory management, type safety and platform independence.
Java can be used to build desktop applications and is well-suited for this purpose for several reasons. It is a general-purpose, platform-independent language that is widely used for both desktop and internet applications. The Java Standard Edition contains capabilities for developing desktop and server software, while the Java Enterprise Edition is focused on large distributed systems and web applications. Key Java concepts for building desktop apps include packages, classes, objects, and methods. Developers must install the JDK, create packages and classes, compile, and run their code to build a desktop application with Java.
Best Real-time Summer Internship Program on Java Course for btech, cse, ece Students. We Provide online Java Summer Internship Course for 2022 freshers with certification in various Professional Courses.
This document provides an introduction to object oriented programming in Java. It outlines the course objectives which are to learn Java basics, object oriented principles, Java APIs, exception handling, files, threads, applets and swings. It discusses key characteristics of Java including being portable, object oriented and having automatic memory management. It also provides an overview of Java environments and tools, and includes an example "Hello World" Java program.
Introduction to JAVA Programming
When Java?
Why Java?
How Java?
Where Java?
Architecture of java
Byte code of class file
Java class file to byte code class file.
Tools and Technology
Net-beans, Eclipse
This document provides an overview of Java technology presented during a summer training. It discusses what Java is as an object-oriented programming language that runs on any system, as well as object-oriented programming principles like encapsulation, inheritance, and polymorphism. The document also covers why Java is used, its characteristics, use in web applications, core packages, versions of the Java Development Kit, the Java life cycle, a simple Java program example, and a student's text editor project.
Programming languages allow users to instruct computers to perform tasks. There are two main types: procedural and object-oriented. Procedural languages organize code into procedures that manipulate shared data, while object-oriented languages bundle data and functions into objects to improve security and reuse. Java is an object-oriented language that is portable, platform-independent, and secure. It uses a virtual machine (JVM) to execute programs on any system. JDBC provides an API for Java programs to connect to databases and submit SQL queries.
Features Of Java
Like On Facebook:
www.facebook.com/pakcoders
What is Java Part - 1:
slideshare.net/MuhammadAtif231/what-is-java-part-1
History Of Java Part - 2
https://www.slideshare.net/MuhammadAtif231/history-of-java-part-2
This document provides an overview of the Java programming language. It discusses that Java is an object-oriented language created by James Gosling in 1991. It then lists the major versions of Java and describes some of its key features like being platform independent, secure, robust and portable. The document also provides brief explanations of Java concepts like the Java Virtual Machine, Java Runtime Environment and Java Development Kit.
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1. Submitted To: Submitted By:
Ms. Nida Khan Alfahad Khan
Ms. Fiza Afreen 1901012017
Seminar on java
2. Content
INTRODUCTION OF JAVA
KEY FEATURES OF JAVA
FEATURES OF PACKAGES
STANDARD JAVA PACKAGES
JAVA.LANG PACKAGE
JAVA.IO PACKAGE
CREATING A PACKAGE
ADVANTAGES OF JAVA
DISADVANTAGES OF JAVA
CONCLUSIONS
REFERENCES
3. INTRODUCTION OF JAVA
Java is a programming language and environment
invented by James Gosling and others in 1994.
Java was originaly named Oak and was developed as a
part of the Green project at the Sun Company.
Java is an object-oriented programming language with a
built-in application programming interface (API) that
can handle graphics and user interfaces and that can be
used to create applications or applets.
5. FEATURES OF PACKAGES
Package names can be used to identify your classes.
Reusability of code is one of the most important
requirements in the software industry.
Reusability saves time, effort and also ensures
consistency.
In Java, the codes which can be reused by other
programs is put into a “Package”.
A Package is a collection of classes, interfaces and/or
other packages.
Packages are essentially a means of organizing classes
together as groups.
9. CREATING A PACKAGE
Java supports a keyword called “package” for creating
user-defined packages.
The package statement must be the first statement in a
Java source file (except comments and white spaces)
followed by one or more classes.
10. ADVANTAGES OF JAVA
1.Java is easy to learn.
2.Java is object-oriented.
3.Java is platform-independent.
4.Java is distributed.
5.Java is secure.
6.Java is robust.
7.Java is multithreaded
11. DISADVANTAGES OF JAVA
Slow
Environment limitations
Applet limitations imposed due to security model
Uncertain status of security
Programming language limitations
Platform limitations
General stability concerns
12. CONCLUSIONS
Java offers the real possibility that most programs can
be written in a type-safe language.
However, for Java to be broadly useful, it needs to have
more expressive power than it does at present.