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Java is a high-level programming language originally developed by Sun Microsystems and released in 1995. Java runs on a variety of platforms, such as Windows, Mac OS, and the various versions of UNIX.

Java is an object oriented programming language with a built in application programming interface (API) that can handle graphics and user interface and that can be used to create application or applets.

One major difference that makes java is different language than C or C++ in that it does not have pointers.

OBJECTS: OOP’s focuses on constructs called objects. An object consists of deal and functions known as methods which use or change the data.
A class defines which data can be in objects and what operation is performed by the methods.
CONSTRUCTORS: Every class has at least one constructor, a method which has the same as the class. If initiates a new object belonging to the class.

Features of Java Programming:
Java has so many features which are as:-

  1. Java is Simple: it is easy to learn and developed by taking the best features from other languages mainly C and C++.
  2. Java is platform independent: it provides the facility to (W O RAW) write once – Run anywhere.
  3. Java is object oriented: the object oriented languages must support the characteristics of the OOPs. In the java everything is treated as objects to which methods are applied.
  4. Java is distributed: The widely used protocols like HTTP and FTP are developed in java. Internet programmers can call function on these protocols and can get access the files from nay remote machine on the internet.
  5. Java is Secure: java does not use memory pointers explicitly. Java uses the build key encryption system to allow the java application to transmit over the internet in the secure encrypted form.
  6. Java is Robust and Portable

Why to Use Java Programming
Because of Java’s robustness and ease of use, cross platform capabilities and security features, it has become a language of choice for providing worldwide internet solutions.