執行緒小結(程式碼)
阿新 • • 發佈:2020-07-16
執行緒小結(程式碼)
import java.util.concurrent.Callable; import java.util.concurrent.ExecutionException; import java.util.concurrent.FutureTask; //回顧總結執行緒的建立 public class ThreadNew { public static void main(String[] args) { new MyThread1().start(); new Thread(new MyThread2()).start(); FutureTask<Integer> futureTask = new FutureTask(new MyThread3()); new Thread(futureTask).start(); try { Integer integer = futureTask.get(); System.out.println(integer); } catch (InterruptedException e) { e.printStackTrace(); } catch (ExecutionException e) { e.printStackTrace(); } } } //1.繼承Thread類 class MyThread1 extends Thread{ @Override public void run() { System.out.println("MyThread1"); } } //2.實現runnable介面 class MyThread2 implements Runnable{ @Override public void run() { System.out.println("MyThread2"); } } //3.實現Callable介面 class MyThread3 implements Callable<Integer>{ @Override public Integer call() throws Exception { System.out.println("MyThread3"); return 100; } }