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Wednesday, 4 June 2014

Features of Java

There is given many features of java. They are also known as java buzzwords. The Java Features given below are simple and easy to understand.
  1. Simple
  2. Object-Oriented
  3. Platform independent
  4. Secured
  5. Robust
  6. Architecture neutral
  7. Portable
  8. Dynamic
  9. Interpreted
  10. High Performance
  11. Multithreaded
  12. Distributed
  Simple
According to Sun, Java language is simple because:
      syntax is based on C++ (so easier for programmers to learn it after C++).
      removed many confusing and/or rarely-used features e.g., explicit pointers, operator overloading etc.
      No need to remove unreferenced objects because there is Automatic Garbage Collection in java.

Object-oriented

Object-oriented means we organize our software as a combination of different types of objects that incorporates both data and behaviour.
Object-oriented programming(OOPs) is a methodology that simplify software development and maintenance by providing some rules.
Basic concepts of OOPs are:
  1. Object
  2. Class
  3. Inheritance
  4. Polymorphism
  5. Abstraction
  6. Encapsulation

Platform Independent

A platform is the hardware or software environment in which a program runs. There are two types of platforms software-based and hardware-based. Java provides software-based platform. The Java platform differs from most other platforms in the sense that it's a software-based platform that runs on top of other hardware-based platforms.It has two components:
  1. Runtime Environment
  2. API(Application Programming Interface)
java is platform independentJava code can be run on multiple platforms e.g.Windows,Linux,Sun Solaris,Mac/OS etc. Java code is compiled by the compiler and converted into bytecode.This bytecode is a platform independent code because it can be run on multiple platforms i.e. Write Once and Run Anywhere(WORA).

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