Java program to create a class by extending the thread class and use its methods.

Below code is to create a class by extending the thread class and use its methods:

class A extends Thread
{
  public void run()
  {
    for(int i=0;i<3;i++)
    System.out.println("Thread 1 is executing");
  }
}
class B extends Thread
{
  public void run()
  {
    for(int j=0;j<3;j++)
    System.out.println("Thread 2 is executing");
    }
}
   
class C extends Thread
{
  public void run()
  {
    for(int k=0;k<3;k++)
    System.out.println("Thread 3 is executing");
  }
}
   
class Mainthread
{
  public static void main(String[] args)
   {
      A t1=new A();     
      System.out.println("t1 priority = "+t1.getPriority());
      t1.setPriority(Thread.MAX_PRIORITY);
      System.out.println("After setting t1 priority"+t1.getPriority());
      System.out.println("Name is "+t1.getName());
      t1.setName("MY THREAD 1");
      System.out.println("t1 after setname "+t1.getName());
      B t2=new B();     
      System.out.println("t2 priority = "+t2.getPriority());
      t2.setPriority(Thread.MIN_PRIORITY);
      System.out.println("After setting t2 priority"+t2.getPriority());
      System.out.println("Name is "+t2.getName());
      t2.setName("MY THREAD 2");
      System.out.println("t2 after setname "+t2.getName());
      C t3=new C();     
      System.out.println("t3 priority = "+t3.getPriority());
      t3.setPriority(Thread.NORM_PRIORITY);
      System.out.println("After setting t3 priority"+t3.getPriority());
      System.out.println("Name is "+t3.getName());
      t3.setName("MY THREAD 3");
      System.out.println("t3 after setname "+t3.getName());
      System.out.println("thread 1 is executing");
      t1.start();
      System.out.println("thread 2 is executing");
      t2.start();
      System.out.println("thread 3 is executing");
      t3.start();
    }
}  

Thank You.

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