1.Thread

/** *  */package testJava2.thread;/** * @author xxx.sjtu * @function * @date 2017年5月17日 * @version */public class FirstThreadTest extends Thread {    int i = 0;    public FirstThreadTest(int i) {        super();        this.i = i;    }    public FirstThreadTest() {        super();        // TODO Auto-generated constructor stub    }    public FirstThreadTest(Runnable target, String name) {        super(target, name);        // TODO Auto-generated constructor stub    }    public FirstThreadTest(Runnable target) {        super(target);        // TODO Auto-generated constructor stub    }    public FirstThreadTest(String name) {        super(name);        // TODO Auto-generated constructor stub    }    public FirstThreadTest(ThreadGroup group, Runnable target, String name,            long stackSize) {        super(group, target, name, stackSize);        // TODO Auto-generated constructor stub    }    public FirstThreadTest(ThreadGroup group, Runnable target, String name) {        super(group, target, name);        // TODO Auto-generated constructor stub    }    public FirstThreadTest(ThreadGroup group, Runnable target) {        super(group, target);        // TODO Auto-generated constructor stub    }    public FirstThreadTest(ThreadGroup group, String name) {        super(group, name);        // TODO Auto-generated constructor stub    }    // 重写run方法，run方法的方法体就是现场执行体    public void run() {        //当前线程: this        System.out.println(this.getName() + "  " + i);    }    public static void main(String[] args) {        System.out.println(Thread.currentThread().getName());        new FirstThreadTest(888).start();    }}

 

2.Runnable

/** *  */package testJava2.thread;/** * @author xxx.sjtu * @function * @date 2017年5月17日 * @version */public class RunnableThreadTest implements Runnable {    private int i;    public RunnableThreadTest() {        super();        // TODO Auto-generated constructor stub    }    public RunnableThreadTest(int i) {        super();        this.i = i;    }    @Override    public void run() {        //当前线程: Thread.currentThread()        System.out.println(Thread.currentThread().getName() + " " + i);    }    public static void main(String[] args) {        System.out.println(Thread.currentThread().getName());        RunnableThreadTest rtt = new RunnableThreadTest(999);        new Thread(rtt, "新线程1").start();    }}

 

3.Callable

/** *  */package testJava2.thread;import java.util.concurrent.Callable;import java.util.concurrent.ExecutionException;import java.util.concurrent.FutureTask;/** * @author xxx.sjtu * @function * @date 2017年5月17日 * @version */public class CallableThreadTest implements Callable
     
       {    @Override    public Integer call() throws Exception {        int i = 2017;        System.out.println(Thread.currentThread().getName() + " " + i);        return i;    }    public static void main(String[] args) {        CallableThreadTest ctt = new CallableThreadTest();        FutureTask
      
        ft = new FutureTask<>(ctt);        new Thread(ft, "有返回值的线程").start();        try {            System.out.println("子线程的返回值：" + ft.get());        } catch (InterruptedException e) {            e.printStackTrace();        } catch (ExecutionException e) {            e.printStackTrace();        }    }}