计算 给定日期的当月最后一天并显示

import java.util.Calendar;

import java.util.*;

import java.text.*;

public class LastDay{

public static void main(String args[]){

Date date = new Date();

GregorianCalendar gc = new GregorianCalendar();

gc.add(GregorianCalendar.MONTH,1);

gc.add(GregorianCalendar.DATE,-date.getDate());

DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT);

Date dateTemp = gc.getTime();

String s = df.format(dateTemp);

System.out.println(s);

}

}