Change Thread Priority : Thread Priority « Thread « Java Tutorial

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Java Tutorial » Thread » Thread Priority 
10. 3. 1. Change Thread Priority
  1. A priority tells the operating system how much resource should be given to each thread.
  2. A high-priority thread is scheduled to receive more time on the CPU than a low-priority thread. A method called Thread.setPriority() sets the priority of a thread. Thread class constants can be used to set these.
class CounterThread extends Thread {
  String name;
  public CounterThread(String name) {
    super();
    this.name = name;
    
  }

  public void run() {
    int count = 0;
    while (true) {
      try {
        sleep(100);
      catch (InterruptedException e) {
      }
      if (count == 50000)
        count = 0;
      System.out.println(name+":" + count++);
    }
  }

}

public class MainClass{
    public static void main(String[] args) {
      CounterThread thread1 = new CounterThread("thread1");
      thread1.setPriority(10);
      CounterThread thread2 = new CounterThread("thread2");
      thread2.setPriority(1);
      thread2.start();
      thread1.start();
    }
}
10. 3. Thread Priority
10. 3. 1. Change Thread Priority
10. 3. 2. Demonstrate thread priorities.
10. 3. 3. Minimum and Maximum Priority Threads
10. 3. 4. This class demonstrates how to set Priority
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