// Java Program to Illustrate Priorities in Multithreading
// via help of getPriority() and setPriority() method
// Importing required classes
import java.lang.*;
// Main class
class ThreadDemo extends Thread {
// Method 1
// run() method for the thread that is called
// as soon as start() is invoked for thread in main()
public void run()
{
// Print statement
System.out.println("Inside run method");
}
// Main driver method
public static void main(String[] args)
{
// Creating random threads
// with the help of above class
ThreadDemo t1 = new ThreadDemo();
ThreadDemo t2 = new ThreadDemo();
ThreadDemo t3 = new ThreadDemo();
// Thread 1
// Display the priority of above thread
// using getPriority() method
System.out.println("t1 thread priority : "
+ t1.getPriority());
// Thread 1
// Display the priority of above thread
System.out.println("t2 thread priority : "
+ t2.getPriority());
// Thread 3
System.out.println("t3 thread priority : "
+ t3.getPriority());
// Setting priorities of above threads by
// passing integer arguments
t1.setPriority(2);
t2.setPriority(5);
t3.setPriority(8);
// t3.setPriority(21); will throw
// IllegalArgumentException
// 2
System.out.println("t1 thread priority : "
+ t1.getPriority());
// 5
System.out.println("t2 thread priority : "
+ t2.getPriority());
// 8
System.out.println("t3 thread priority : "
+ t3.getPriority());
// Main thread
// Displays the name of
// currently executing Thread
System.out.println(
"Currently Executing Thread : "
+ Thread.currentThread().getName());
System.out.println(
"Main thread priority : "
+ Thread.currentThread().getPriority());
// Main thread priority is set to 10
Thread.currentThread().setPriority(10);
System.out.println(
"Main thread priority : "
+ Thread.currentThread().getPriority());
}
}