获得线程对象的名称

/*

• 如何获取线程对象的名称呢?
• public final String getName():获取线程的名称。
• 如何设置线程对象的名称呢?
• public final void setName(String name):设置线程的名称
• 针对不是Thread类的子类中如何获取线程对象名称呢?
• public static Thread currentThread():返回当前正在执行的线程对象
• Thread.currentThread().getName()
  */

public class MyThreadDemo {
	public static void main(String[] args) {
		// 创建线程对象
		//无参构造+setXxx()
		// MyThread my1 = new MyThread();
		// MyThread my2 = new MyThread();
		// //调用方法设置名称
		// my1.setName("林青霞");
		// my2.setName("刘意");
		// my1.start();
		// my2.start();
		
		//带参构造方法给线程起名字
		// MyThread my1 = new MyThread("林青霞");
		// MyThread my2 = new MyThread("刘意");
		// my1.start();
		// my2.start();
		
		//我要获取main方法所在的线程对象的名称，该怎么办呢?
		//遇到这种情况,Thread类提供了一个很好玩的方法:
		//public static Thread currentThread():返回当前正在执行的线程对象
		System.out.println(Thread.currentThread().getName());
	}
}

/*
名称为什么是：Thread-? 编号

class Thread {
private char name[];

public Thread() {
    init(null, null, "Thread-" + nextThreadNum(), 0);
}

private void init(ThreadGroup g, Runnable target, String name,
                  long stackSize) {
    init(g, target, name, stackSize, null);
}

 private void init(ThreadGroup g, Runnable target, String name,
                  long stackSize, AccessControlContext acc) {
    //大部分代码被省略了
    this.name = name.toCharArray();
}

public final void setName(String name) {
    this.name = name.toCharArray();
}


private static int threadInitNumber; //0,1,2
private static synchronized int nextThreadNum() {
    return threadInitNumber++; //return 0,1
}

public final String getName() {
    return String.valueOf(name);
}

}

class MyThread extends Thread {
public MyThread() {
super();
}
}

*/

public class MyThread extends Thread {

	public MyThread() {
	}
	
	public MyThread(String name){
		super(name);
	}

	@Override
	public void run() {
		for (int x = 0; x < 100; x++) {
			System.out.println(getName() + ":" + x);
		}
	}
}