/* filename: Message.java */

import java.awt.*;
import java.applet.*;
public class Message extends Applet

{
  public void paint(Graphics g)
  {
    g.drawRect(20, 5, 140, 50);
    // Draw the parameter string
    g.drawString(getParameter("message"), 30, 30);
  }
}

<!-- filename: Message.html -->
	<APPLET code = "Message.class"   
	       	width  = 200
	        height = 60>         
		<PARAM NAME= "message" VALUE="Welcome!">
	</APPLET>  

class SwapTwoInt {
  public static void main(String[] args) {

    int temp;
    int a = Integer.parseInt(args[0]);
    int b = Integer.parseInt(args[1]);

    System.out.println("before swapping a and b  : " + a + " " + b);

    temp = a;
    a = b;
    b = temp;

    System.out.println("after swapping a and b  : " + a + " " + b);
  }
}

class SwapTwoInt1 {
  public static void main(String[] args) {

    int a = Integer.parseInt(args[0]);
    int b = Integer.parseInt(args[1]);

    System.out.println("before swapping a and b  : " + a + " " + b);

    swap(a,b);    

    System.out.println("after swapping a and b  : " + a + " " + b);
  }
  
  private static void swap(int a, int b) {
    int temp = a;
    a = b;
    b = temp;
  }
}

class SwapTwoInt2 {

  static class IntObj { 
    int value;
    public IntObj(int i) { 
	value=i; 
    }
  }

  public static void main(String[] args) {
    
    IntObj a = new IntObj(Integer.parseInt(args[0]));
    IntObj b = new IntObj(Integer.parseInt(args[1]));

    System.out.println("before swapping a and b  : " + a.value + " " + b.value);

    swap(a,b);    

    System.out.println("after swapping a and b  : " + a.value + " " + b.value);
  }
  
  private static void swap(IntObj a, IntObj b) {
    int temp = a.value;
    a.value = b.value;
    b.value = temp;
  }
}