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Detailed explanation of Java thread priority

王林
王林Original
2024-04-11 13:33:02744browse

Java thread priority ranges from 1 to 10, 1 is the lowest, 10 is the highest, and the default priority is 5. Use the Thread.setPriority() method to set thread priority: Thread thread = new Thread(); thread.setPriority(Thread.MAX_PRIORITY);

Detailed explanation of Java thread priority

Java thread priority Detailed explanation of level

Thread priority in Java indicates the urgency of running a thread relative to other threads. The JVM uses a priority algorithm to schedule threads, and threads with higher priority are more likely to execute first than threads with lower priority.

Thread priority range

Java thread priority range is from 1 to 10:

  • 1: lowest priority
  • 10: Highest priority
  • 5: Default priority

Setting thread priority

can be done through Thread. The setPriority() method sets the priority of the thread:

Thread thread = new Thread();
thread.setPriority(Thread.MAX_PRIORITY);

Practical case

The following code snippet demonstrates how to set and get the thread priority:

class MyThread extends Thread {
    @Override
    public void run() {
        System.out.println("MyThread priority: " + Thread.currentThread().getPriority());
    }
}

public class Main {
    public static void main(String[] args) {
        Thread thread = new MyThread();
        thread.start();
    }
}

Running this code will print:

MyThread priority: 5

This means that the priority of MyThread is the default value of 5.

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