Java Callable接口 Java Callable接口实现细节详解

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.FutureTask;

/**
 * @author lzq
 * @data 2020/4/30 0030 - 下午 4:02
 */
public class Test2 {
  public static void main(String[] args) throws ExecutionException, InterruptedException {
    MyThread thread=new MyThread();
    FutureTask task = new FutureTask(thread);
    new Thread(task,"a").start();
    new Thread(task,"b").start();
    System.out.println(task.get());
  }
 }
class MyThread implements Callable<String> {

  @Override
  public String call() {
    System.out.println("实现callable");
    return "得到返回值";
  }
}