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Presentation on Core java

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A presentation on core java. in this ppt there are all the basic informations on the core java suvh as-
Features of Java
Java Program Translation
Java Virtual Machine
Java system overview
Java Program-Development phase
Advantage of java
Disadvantage of java
Project

Publicada em: Tecnologia
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Presentation on Core java

  1. 1. PRESENTATION ON CORE JAVA BY MAHIR JAIN
  2. 2. CONTENT • What is Java ? • Where is Java used ? • Features of Java • Java Program Translation • Java Virtual Machine • Java system overview • Java Program-Development phase • Advantage of java • Disadvantage of java • Project
  3. 3. WHAT IS JAVA ?  Java is Object Oriented Programming language as well as Plateform.  Java was developed by a team led by James Gosling at Sun Microsystems.  Java is a first programming language which provide the concept of writing programs that can be executed using the web.
  4. 4. WHERE IS JAVA USED ? According to the Sun , 3 billion devices run java. 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.  Embedded System.  Games.  Robotics.
  5. 5. FEATURES OF JAVA • Java is Simple. • Java is Object Oriented • Java is Distributed • Java is Architecture Neutral • Java is Robust • Java is Interpreted and Compiled • Java is Secure • Java is Portable • Java is Multi-Threaded
  6. 6. JAVA PROGRAM TRANSLATION Hello.java javac Hello.class Interpreter for WinXP Interpreter for Mac Interpreter for Unix Source Program Java Compiler Java Bytecode
  7. 7. 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.
  8. 8. WHAT IS OOP ?  Object-oriented programming is a method of implementation.  A language in which everything represent in the form of Object is called Object Oriented Programming Language.  It not only makes the program less complex but also makes the software reuse feasible and possible.  Java is not truly Object Oriented Programing Language
  9. 9. CONCEPTS OF OOP • Object • Class • Encapsulation • Inheritance • Polymorphism • Abstraction
  10. 10. JAVA SYSTEM OVERVIEW Java Application Java Programming Language Java Native Interface Java Class Library Operating System Class Loader Verifier Execution Java Virtual Machine
  11. 11. JAVA PROGRAM-DEVELOPMENT PHASES
  12. 12. DATA TYPES IN JAVA
  13. 13. GARBAGE COLLECTION  Garbage collection is the mechanism that De allocate the memory of an object when it is no longer referenced by a variable.  In C++, the memory of an Object is released by use of delete operator.  Java virtual machine determines when to free up the memory of an object.
  14. 14. ADVANTAGES OF JAVA  Java is simple language.  Java does not support POINTERS.  Java is first language in which programs can be executed using web.  Write Once Run Anywhere (WORA).
  15. 15. DISADVANTAGES OF JAVA  Slow Performance.  No support for Low level programming.  Poor features in Java.  No control over Garbage Collection.
  16. 16. PROJECT INTRANET MAILING SYSTEM • Users can send information and query to each other. • Provides the facility to maintain profile and inbox of each employee separately. • Develop a communication interface for the organization.
  17. 17. THANK YOU
  18. 18. Any Query ?

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