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| 10. 3. 1. 改变线程优先级 |
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- A priority tells the operating system how much resource should be given to each thread.
- 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.
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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();
}
}
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