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Program to implement the Thread Priority.

class A extends Thread
{
public void run()
{
System.out.println("threadA started");
for(int i=1;i<=4;i++)
{
System.out.println("\tFrom Thread A : i="+i);
}
System.out.println("Exit from A");
}
}

class B extends Thread
{
public void run()
{
System.out.println("threadB started");
for(int j=1;j<=4;j++)
{
System.out.println("\tFrom Thread B : j="+j);
}
System.out.println("Exit from B");
}
}

class C extends Thread
{
public void run()
{
System.out.println("threadC started");
for(int k=1;k<=4;k++)
{
System.out.println("\tFrom Thread C : k="+k);
}
System.out.println("Exit from C");
}
}

class threadpriority
{
public static void main(String args[])
{
A threadA=new A();
B threadB=new B();
C threadC=new C();

threadC.setPriority(Thread.MAX_PRIORITY);
threadB.setPriority(threadA.getPriority()+1);
threadA.setPriority(Thread.MIN_PRIORITY);
System.out.println("Start thread A");
threadA.start();
System.out.println("Start thread B");
threadB.start();
System.out.println("Start thread C");
threadC.start();
System.out.println("End of main thread");
}
}
 

Output:

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