import java.util.*; 
class frist extends Thread 
{ 
public void run() 
{ 
System.out.println(" frist thread stated"); 
for (int i=0;i<10 ;i++ ) 
{ 
System.out.println(i); 
} 
System.out.println("frist thread ended"); 
} 
}; 
class secound extends Thread 
{ 
public void run() 
{ 
System.out.println("Secound thread "); 
for (int i=0;i<10 ;i++ ) 
{ 
System.out.println(i); 
} 
System.out.println("Secound thread ended"); 
} 
}; 
class threed extends Thread 
{ 
public void run() 
{ 
System.out.println("3th thread"); 
for (int i=0;i<10 ;i++ ) 
{ 
System.out.println(i); 
} 
System.out.println("3th thread ended"); 
} 
}; 
class Test 
{ 
public static void main(String[] durga) 
{ 
frist thread1=new frist(); 
secound thread2=new secound(); 
threed thread3=new threed(); 
thread1.setPriority(Thread.MAX_PRIORITY); 
thread2.setPriority(Thread.MIN_PRIORITY); 
thread3.setPriority(thread2.getPriority()+1); 
System.out.println("frist Thread"); 
thread1.start(); 
System.out.println("secound Thread"); 
thread2.start(); 
System.out.println("3th Thread"); 
thread3.start(); 
} 
};