java114-Calendar类方法before

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
//员工信息类
//date类
public class test50 {
private String name;
private String sex;
private Date birth;
public void showme(){
System.out.println(this.getName());
System.out.println(this.getSex());
// System.out.println(DateFormat.getDateInstance().format(this.getBirth()));
//System.out.println(this.getBirth());
SimpleDateFormat sdf=new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
String data=sdf.format(birth);
System.out.println(data);
}

public void setName(String name) {
this.name = name;
}
public String getName() {
return name;
}
public void setSex(String sex) {
this.sex = sex;
}
public String getSex() {
return sex;
}
public void setBirth(Date birth) {
this.birth = birth;
}
public Date getBirth(Date birth) {
return this.birth;
}
}
测试类package com.zx;

import java.util.Calendar;
import java.util.Scanner;
import java.util.Date;
public class test54 {
public static void main(String[] args){
Scanner in=new Scanner(System.in);
test50 emp=new test50();
test50 emp1=new test50();
System.out.println("请输入第一个员工的姓名");
emp.setName(in.next());
System.out.println("请输入第一个员工的出生年份");
int year=in.nextInt();
System.out.println("请输入第一个员工的出生月份");
int month=in.nextInt();
System.out.println("请输入第一个员工的出生日期");
int date=in.nextInt();
Calendar cal=Calendar.getInstance();
cal.set(Calendar.YEAR,year);
cal.set(Calendar.MONTH,month-1);
cal.set(Calendar.DATE,date);
Date birth=cal.getTime();
emp.setBirth(birth);
emp.showme();
System.out.println("请输入第二个员工的姓名");
emp1.setName(in.next());
System.out.println("请输入第二个员工的出生年份");
int year1=in.nextInt();
System.out.println("请输入第二个员工的出生月份");
int month1=in.nextInt();
System.out.println("请输入第二个员工的出生日期");
int date1=in.nextInt();
Calendar cal1=Calendar.getInstance();
cal1.set(Calendar.YEAR,year1);
cal1.set(Calendar.MONTH,month1-1);
cal1.set(Calendar.DATE,date1);
Date birth1=cal1.getTime();
emp1.setBirth(birth1);
emp1.showme();
System.out.println(cal.before(cal1));
}
}

运行结果