• 扩展Thread类
• 实现Runnable接口
• 实现Callable接口

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.FutureTask;/*** 新起线程的方式*/
public class Main {private static class UserThread extends Thread{@Overridepublic void run() {super.run();System.out.println(Thread.currentThread().getName() + " is extends Thread");}}private static class UserRunnable implements Runnable{@Overridepublic void run() {System.out.println(Thread.currentThread().getName() + " implements Runnable");}}private static class UserCallable implements Callable<String>{@Overridepublic String call() throws Exception {System.out.println(Thread.currentThread().getName() + " implements Callable");return "callable result";}}public static void main(String[] args) throws ExecutionException, InterruptedException {new UserThread().start();new Thread(new UserRunnable()).start();UserCallable uc = new UserCallable();FutureTask<String> ft = new FutureTask<>(uc);new Thread(ft).start();System.out.println("callable返回值是" + ft.get());}
}