交叉打印奇数偶数

题目：交叉打印

 

public class OddThread{
    private int i=1;
    public synchronized void printOdd() {
        while(i<100) {
            if(i%2==0) {
                try {
                    this.wait();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
            System.out.println(i);
            i++;
            this.notify();
        }
    }

  public synchronized void printEvent() {
      while(i<100) {
          if(i%2==1) {
              try {
                this.wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
          }
          System.out.println(i);
          i++;
          this.notify();
      }
  }
  
  
  public static void main(String[] args) {
    OddThread o = new OddThread();
    new Thread(new Runnable() {
        public void run() {
            o.printOdd();
            
        }
    }).start();
    
    new Thread(new Runnable() {
        public void run() {
             o.printEvent();
            
        }
    }).start();
}
}