(JAVA)多线程之wait()与notify（）

/**
 * @author Alina
 * @date 2021年12月22日 12:17 上午
 *
 */
class Student{
    String name;
    String sex;
    boolean flag = false;


}
class Product implements Runnable{
    Student s ;
    Product(Student s ){this.s = s;}
    public void run(){
        int x = 0;//通过奇数偶数进行赋值
        while(true){
            synchronized (s){
                if(s.flag){
                    try {
                        s.wait();
                    }catch (Exception e){}
                }
                if (x%2 == 1){

                    s.name = "张三";
                    s.sex = "男";
                }else {
                    s.name = "李四";
                    s.sex = "女";
                }
                x++;
                s.flag = true;
                s.notify();
            }

        }

    }
}
class Custom implements Runnable{
    Student s;
    Custom(Student s ){this.s = s;}
    public void run(){
        synchronized (s){
            while (true){
                if(!s.flag){
                    try{
                        s.wait();
                    }catch (Exception e){}
                }
                System.out.println(s.name+"..."+s.sex);
                s.flag = false;
                s.notify();
            }

        }


    }



}
public class SourceThreadDemo {
    public static void main(String[] args) {
        Student s = new Student();
        new Thread(new Product(s)).start();
        new Thread(new Custom(s)).start();
    }
}