J260713/授课代码/c260721/src/exercise/exercise02/ManagerTest.java

package exercise.exercise02;


/**
 * @author WanJl
 * @version 1.0
 * @title ManagerTest
 * @description
 * @create 2026/7/21
 */
public class ManagerTest {
    public static void main(String[] args) {
        //由于Manager 的构造方法是私有的，所以不能通过这种方式创建对象
        //Manager manager=new Manager();
        //需要通过调用.getInstance()方法获取对象
        Manager m1 = Manager.getInstance();    //new Manager();
        Manager m2 = Manager.getInstance();   //new Manager();
        System.out.println(m1);    //exercise.exercise02.Manager@2f4d3709
        System.out.println(m2);   //exercise.exercise02.Manager@2f4d3709

        m1.setName("张三");
        String name1 = m1.getName();
        String name2 = m2.getName();
        System.out.println(name1);
        System.out.println(name2);
    }
}