作业帮用java写一个程序可以计算2个日期之间的天数差.public class MyDate {int day;int month;int year;public MyDate(){};public void function(MyDate d){//完成这个方法,计算d 和 this 之间的相差天数.}}
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/06 05:42:17
用java写一个程序可以计算2个日期之间的天数差.public class MyDate {int day;int month;int year;public MyDate(){};public void function(MyDate d){//完成这个方法,计算d 和 this 之间的相差天数.}}
用java写一个程序可以计算2个日期之间的天数差.
public class MyDate {
int day;
int month;
int year;
public MyDate(){};
public void function(MyDate d){
//完成这个方法,计算d 和 this 之间的相差天数.
}
}
用java写一个程序可以计算2个日期之间的天数差.public class MyDate {int day;int month;int year;public MyDate(){};public void function(MyDate d){//完成这个方法,计算d 和 this 之间的相差天数.}}
import java.util.*;
public class MyDate{
int day;
int month;
int year;
public MyDate(){}
public MyDate(int day,int month,int year){
this.day = day;
this.month = month;
this.year = year;
}
public void funtion(MyDate d){
int newDay = d.day;
int newMonth = d.month;
int newYear = d.year;
Calendar c1 = Calendar.getInstance();
c1.set(newYear,newMonth,newDay);
long n1 = c1.getTimeInMillis();
Calendar c2 = Calendar.getInstance();
c2.set(year,month,day);
long n2 = c2.getTimeInMillis();
System.out.println( "相差天数为:" + Math.abs((n1 - n2)/24/3600000)); }
public static void main(String[] args){
MyDate d1 = new MyDate(1,1,2008);
MyDate d2 = new MyDate(2,1,2001);
d1.funtion(d2);
}
}