【多线程】两个线程轮流打印数字1-100，一个打奇数一个打偶数，顺序打印

package mianTest;
// 单纯的利用boolean变量来写 加一个volatile关键字：保证他的可见性
public class Demo01 {
  volatile static int flag = 0;
  public static void main(String[] args) {
    Thread myThread = new Thread(new myThread1());
    Thread myThread2 = new Thread(new myThread2());
    myThread.start();
    myThread2.start();
  }
  public static class myThread1 implements Runnable {
    @Override
    public void run() {
      int i = 0;
      while (i < 10) {
        if (flag == 0) {
          System.out.println(Thread.currentThread().getName() + " = " + i);
          i += 2;
          flag = 1;
        }
      }
    }
  }
  public static class myThread2 implements Runnable {
    @Override
    public void run() {
      int i = 1;
      while (i < 10) {
        if (flag == 1) {
          System.out.println(Thread.currentThread().getName() + " = " + i);
          i += 2;
          flag = 0;
        }
      }
    }
  }
}