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Monday, October 10, 2011

Write a Java program that creates three threads. First thread displays “Good Morning” every one second, the second thread displays “Hello” every two seconds and the third thread displays “Welcome” every three seconds.


Write a Java program that creates three threads. First thread displays “Good Morning” every one second, the second thread displays “Hello” every two seconds and the third thread displays “Welcome” every three seconds.


class A extends Thread
{
synchronized public void run()
{
try
{
while(true)
{
sleep(10);
System.out.println("good morning");
}
}
catch(Exception e)
{ }
}
}
class B extends Thread
{
synchronized public void run()
{
try
{
while(true)
{
sleep(20);
System.out.println("hello");
}
}
catch(Exception e)
{ }
}
}
class C extends Thread
{
synchronized public void run()
{
try
{
while(true)
{
sleep(30);
System.out.println("welcome");
}
}
catch(Exception e)
{ }
}
}
class ThreadDemo
{
public static void main(String args[])
{
A t1=new A();
B t2=new B();
C t3=new C();
t1.start();
t2.start();
t3.start();
}
}

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