TY_BCA_2015_ADV_JAVA_15MARKS_SLIP8

SLIP 8:  Write a multithreading program using Runnable interface to blink Text on the frame.

import java.awt.*;

import java.awt.event.*;

class Slip8_1 extends Frame implements Runnable

{

            Thread t;

            Label l1;

            int f;

            Slip8_1()

            {

                        t=new Thread(this);

                        t.start();

                        setLayout(null);

                        l1=new Label("Hello JAVA");

                        l1.setBounds(100,100,100,40);

                        add(l1);

                        setSize(300,300);

                        setVisible(true);

                        f=0;

            }

            public void run()

            {

                        try

                        {

                                    if(f==0)

                                    {

                                                t.sleep(200);

                                                l1.setText("");

                                                f=1;

                                    }

                                    if(f==1)

                                    {

                                                t.sleep(200);

                                                l1.setText("Hello Java");

                                                f=0;

                                    }

                        }

                        catch(Exception e)

                        {

                                    System.out.println(e);

                        }

                        run();

            }

            public static void main(String a[])

            {

                        new Slip8_1();

            }

}