How to start with java programming

A simple program on Java

,that displays a  message.

                                                                             

class FirstProgram

{

     public static void main(String args[])    //main method

     {

          System.out.println(“Welcome to Java 4r beginners”); /* will be printed on output*/

          System.out.println(“This Simple Java program”)

      }

}

 
/*



now save this program with “FirstProgram.java” as class name is FirstProgram.
-Program should be saved with its class name.



Compilation:
       You need to set the path first click here to know how to set path.

-After setting path, C:\javaprograms>javac FirstProgram.java
Here dot class file will be created.You can see this in the folder u saved.(I saved in javaprograms folder)


Run the program:
C:\javaprograms>java FirstProgram
out put will be displayed.
*/
I recommend to use Java IDE for java programs.
It helps a lot than the text editors.Here see how to Compile in Eclipse IDE.

See what is package