/**  day 59
 * 笔试题
 * 练习1：定义MyDate类，在MyDate类中覆盖equals方法，使其判断当两个MyDate类型对象的年月日都相同是，结果为ture，否则为false。
 * */
public class MyDate  {
    int year;
    int month;
    int day;

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

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;

        if (o instanceof MyDate){
            MyDate myDate = (MyDate) o;
            return year == myDate.year && month == myDate.month && day == myDate.day;
        }

        return false;
    }
}

/** * main 方法 */
public class test {
    public static void main(String[] args) {
       MyDate m1=new MyDate(2022,5,16);
       MyDate m2=new MyDate(2022,5,16);

       if(m1==m2){
           System.out.println("m1=m2");
       }else {
           System.out.println("m1!=m2");
       }


       if (m1.equals(m2)){
           System.out.println("true");
           System.out.println("m1 is equal to m2");
       }else{
           System.out.println("false");
           System.out.println("m1 is not equal to m2");
       }

    }
}