自定义类做成员变量

package zlianx0106;
/**
 * 设计雇员Employee类,记录雇员的情况,
 * 包括姓名、年薪、受雇时间,
 * 要求定义MyDate类作为受雇时间,
 * 其中包括工作的年、月、日,并用相应的方法对Employee类进行设置。
 * 编写测试类测试Employee类。要求使用自己的包。
 * @author Administrator
 *
 */
public class Employee {
    private String name;
    private double salary;
    private MyDate md;


    public Employee(String name, double salary, MyDate md) {
        this.name = name;
        this.salary = salary;
        this.md = md;
    }

    @Override
    public String toString() {
        return "姓名:" + name + ", 年薪" + salary +"万,"+ md;
    }

}


package zlianx0106;

public class MyDate {
    private int year;
    private int month;
    private int day;


    public MyDate(int year, int month, int day) {
        this.year = year;
        this.month = month;
        this.day = day;
    }

    @Override
    public String toString() {
        return "受雇时间为:" + year + "年" + month + "月" + day + "日";
    }

}


package zlianx0106;

public class Employeetest {
    public static void main(String[] args) {
        Employee e1=new Employee("lily", 10, new MyDate(2016,10,01));
        System.out.println(e1);
    }

}



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