Java.lang.Thread.setPriority() Method

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Description

The java.lang.Thread.setPriority() method changes the priority of this thread.

Declaration

Following is the declaration for java.lang.Thread.setPriority() method

public final void setPriority(int newPriority)

Parameters

newPriority − This is the priority to set this thread to.

Return Value

This method does not return any value.

Exception

• IllegalArgumentException − if the priority is not in the range MIN_PRIORITY to MAX_PRIORITY.

• SecurityException − if the current thread cannot modify this thread.

Example

The following example shows the usage of java.lang.Thread.setPriority() method.

package com.tutorialspoint;

import java.lang.*;

public class ThreadDemo {

   public static void main(String[] args) {

      Thread t = Thread.currentThread();
      t.setName("Admin Thread");
      // set thread priority to 1
      t.setPriority(1);
     
      // prints the current thread
      System.out.println("Thread = " + t);
   
      int count = Thread.activeCount();
      System.out.println("currently active threads = " + count);
   }
}

Let us compile and run the above program, this will produce the following result −

Thread = Thread[Admin Thread,1,main]
currently active threads = 1