线程的优先级
public class PriorityTest extends JFrame{ private static final long seriaVersionUID = 1L; private Thread threadA; private Thread threadB; private Thread threadC; private Thread threadD; public PriorityTest() { // TODO Auto-generated constructor stub final JProgressBar progressBar = new JProgressBar(); final JProgressBar progressBar2 = new JProgressBar(); final JProgressBar progressBar3 = new JProgressBar(); final JProgressBar progressBar4 = new JProgressBar(); getContentPane().add(progressBar); getContentPane().add(progressBar2); getContentPane().add(progressBar3); getContentPane().add(progressBar4); progressBar.setStringPainted(true); progressBar2.setStringPainted(true); progressBar3.setStringPainted(true); progressBar4.setStringPainted(true); threadA = new Thread(new MyThread(progressBar)); threadB = new Thread(new MyThread(progressBar2)); threadC = new Thread(new MyThread(progressBar3)); threadD = new Thread(new MyThread(progressBar4)); setPrioeity("threadA", 5, threadA); setPrioeity("threadB", 5, threadB); setPrioeity("threadC", 4, threadC); setPrioeity("threadD", 3, threadD); } public static void setPrioeity(String threadName,int priority,Thread t) { t.setPriority(priority); t.setName(threadName); t.start(); } public static void init(JFrame frame,int width,int height) { frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setLayout(new FlowLayout()); frame.setSize(width, height); frame.setVisible(true); } public static void main(String[] args) { // TODO Auto-generated method stub init(new PriorityTest(),100,100); } private static class MyThread implements Runnable{ private final JProgressBar bar; int count = 0; public MyThread(JProgressBar Bar) { // TODO Auto-generated constructor stub this.bar= Bar; } public void run() { while (true) { bar.setValue(count+=10); try { Thread.sleep(1000); } catch (Exception e) { // TODO: handle exception System.out.println("当前线程被中断"); } } } } }