在Java编程中，如何查看线程的优先级？
以下示例演示如何使用Thread类的getPriority()方法检查线程的优先级。
package com.yiibai;
public class ThreadPriorityLevel extends Object {
private static Runnable makeRunnable() {
Runnable r = new Runnable() {
public void run() {
for (int i = 0; i < 5; i++) {
Thread t = Thread.currentThread();
System.out.println("in run() - priority = " + t.getPriority() + ", name = " + t.getName());
try {
Thread.sleep(2000);
} catch (InterruptedException x) {
}
}
}
};
return r;
}
public static void main(String[] args) {
System.out.println("in main() - Thread.currentThread(). getPriority()=" + Thread.currentThread().getPriority());
System.out.println("in main() - Thread.currentThread().getName()=" + Thread.currentThread().getName());
Thread threadA = new Thread(makeRunnable(), "threadA");
threadA.start();
try {
Thread.sleep(3000);
} catch (InterruptedException x) {
}
System.out.println("in main() - threadA.getPriority() = " + threadA.getPriority());
}
}
上述代码示例将产生以下结果 -
in main() - Thread.currentThread(). getPriority()=5
in main() - Thread.currentThread().getName()=main
in run() - priority = 5, name = threadA
in run() - priority = 5, name = threadA
in main() - threadA.getPriority() = 5
in run() - priority = 5, name = threadA
in run() - priority = 5, name = threadA
in run() - priority = 5, name = threadA
