Print hello world during run time

below provide detailed instructions for compiling and running a simple "Hello World!" program during run time. First open notepad and write program, for compiling and running you can use cmd….

//program to print hello world

class Hello{

                public static void main(String args[]){

                                System.out.println(args[0]+args[1]);

                }

}

Save Program, program name.java

Helloworld.java     // program name always should main class name

For compile

Javac Helloworld.java

For run:

Java Helloworld  hello  world

Output: