SIMULATE STOP AND WAIT ARQ

SIMULATE STOP AND WAIT ARQ

import java.applet.Applet;

import java.applet.*;

import java.awt.*;

public class STOP_WAIT extends Applet {

    public void init()

    {

    }

public void paint(Graphics g)

    {

    g.drawString("Sender",25,40);

    g.drawString("Receiver",325,40);

    g.drawRect(20,20,60,30);//sender Rectangle

    g.drawLine(50,50,50,200);//sender Vertical line

    g.drawRect(320,20,60,30);//Receiver Rectangle

    g.drawLine(350,50,350,200);//receiver Vertical line

    /*Line for Frame 0*/

    g.drawLine(50,60,350,60 );

    g.drawLine(350,60,50,100);

   /*Line for Frame 1*/

    g.drawLine(50,100,350,100 );

    g.drawLine(350,100,50,140);

    /*Line for Frame 2*/

    g.drawLine(50,140,350,140 );

    g.drawLine(350,140,50,180);

   /*Line for Frame 3*/

    g.drawLine(50,180,350,180 );

   

    g.drawString("Frame 0",190,60);

    g.drawString("Frame 1",190,100);

    g.drawString("Frame 2",190,140);

    g.drawString("Frame 3",190,180);

   

    g.drawString("ACK 0",100,90);

    g.drawString("ACK 1",100,130);

    g.drawString("ACK 2",100,170);

   

    g.drawString("S=0",25,65);

    g.drawString("S=1",25,105);

    g.drawString("S=0",25,145);

    g.drawString("S=1",25,185);

   

    g.drawString("R=0",360,65);

    g.drawString("R=1",360,105);

    g.drawString("R=0",360,145);

    g.drawString("R=1",360,185);

    }

}

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