Simple Hello World Java Program

To begin this blog with, I will Share Simple Java Hello World Program. /** * * @author Eric */ public class Hello { /*...

To begin this blog with, I will Share Simple Java Hello World Program.

 /**  
  *  
  * @author Eric  
  */  
 public class Hello {  
   /**  
    * @param args the command line arguments  
    */  
   public static void main(String[] args) {  
     // TODO code application logic here  
     System.out.println("Hello World");  
   }  
 }  

Understanding Above Code

Above program uses  some Java keywords that are very important to know.They are explained below.

public- is access modifier.Public means the class it accessible to other classes in the same package.

Static-Methods   declared as static don't require creation of a object to call them.They save memory for jvm.

void-method return type.Its means that the method is not required to return anything.

main-shows the main method that is called when program starts.
String [] args-these are command line arguments.
System.out.println-method used to output something to the screen after program execution.
class-keyword  that is used to create a new class.