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Introduction to JAVA
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- 2. WHAT IS JAVA? Java is Object Oriented Programming language as well as Plateform. Java was developed by James Gosling at Sun Microsystems. It promised Write Once, Run Anywhere (WORA) functionality.
- 3. WHERE IS JAVAUSED? There are many devices where Java is currently used. Desktop Applications - Acrobat reader, Media player, Antiviruses etc. Web Applications - irctc.co.in , javatpoint.com etc. Enterprise Application – Banking Application, Business Application. Mobile. Games
- 4. FEATURES OF JAVA •Java is Simple. • Java is Object Oriented. • Java is Architecture Neutral(Fixed). • Java is Robust. • Java is Interpreted and Compiled. • Java is Secure. • Java is Portable. • Java is Multi-Threaded.
- 5. JAVAPROGRAM TRANSLATION Hello.java javacHello.class Interpreter for WinXP Interpreter for Mac Interpreter for Unix Source Program Java Compiler Java Bytecode
- 6. JAVA VIRTUAL MACHINE Java virtual machine is the like usual computer which translate high level language into machine language. Just like that Java virtual machine also translate Bytecode into machine language. JVM are available for many hardware and software Plateform.
- 7. WHAT IS OBJECTORIENTED PROGRAMMING Object-oriented programming is a method of implementation. A language in which everything represent in the form of Object is called Object. It makes the program less complex & software reuse feasible and possible. Java is not truly OOP’s Based.
- 8. CONCEPTS OF OOP •Object • Class • Encapsulation • Inheritance • Polymorphism • Abstraction
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- 10. ADVANTAGESOF JAVA Java isplatform-independent. It follows LIFO (Last in First Out) so data can be stored and retrieved easily. Java programs can be executed using web. Write Once Run Anywhere (WORA).
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