JAVA編程思想第四版-多線程的練習答案之練習1

package exercise.exercise01;

public class Demo1_656 implements Runnable {

	public Demo1_656(){
		System.out.println(" prepared start ...");
	}
	
	@Override
	public void run() {
		for (int i = 0; i < 3; i++) {
			System.out.println(Thread.currentThread().getName()+" call yield()..."+"  "+ i);
			Thread.yield();
		}
		
		System.out.println(Thread.currentThread().getName()+" task is done...");
	}
	
}

package exercise.exercise01;


public class MainThread {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		for (int i = 0; i < 3; i++) {
			new Thread(new Demo1_656()).start();
		}
	}

}

博主才疏學淺，如發現問題，請指正！