Develop a program to create two threads ,one thread prints numbers from 1 to 10 & other thread prints numbers from 10-1 .first thread should transfer control to second thread often printing second number.

Program :- 

class th1 extends Thread

{

public void run()

{

for(int i=1;i<=10;i++)

{

while(ThMain.b1)

{}

System.out.println("Thread one: "+i);

ThMain.b1=true;

ThMain.b2=false;

}

}

}

class th2 extends Thread

{

public void run()

{

for(int i=10;i>=1;i--)

{

while(ThMain.b2)

{}

System.out.println("Thread two: "+i);

ThMain.b1=false;

ThMain.b2=true;

}

}

}

public class ThMain

{

public static boolean b1=false;

public static boolean b2=false;

public static void main(String a[])

{

th1 t1=new th1();

th2 t2=new th2();

t1.start();

t2.start();

}

}

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