what is JAVA ?

Java is a programming language initialized  by James Gosling in 1995 and developed by Sun Micro system.
About Java
  • Java is a Object Oriented Programming Language. In this real world everything consumed as Object Oriented so it is easy to extend from one object to another.
  • We don't worry about platform depended because java is a platform independent  language unlike c, c++. Java virtual machine handling platform independent problem.
  • Java is very easy to understand, easy to use and easy to modify.
  • Java provide best security using encryption which name is public key encryption.
  • java is a Robust, Portable, Multithreaded, Interpreted,High Performance,Distributed and Dynamic programming Language.


public class ExampleProgram {

   /* This is my first java program.  
    * This will print 'Hello World' as the output
    */

    public static void main(String []args) {
       System.out.println("Hello World"); // prints Hello World
    }
} 
 
Output: 
 
C : > javac ExampleProgram.java
C : > java ExampleProgram 
Hello World