package com.njwb.classroom;

/**输入天数计算几周

* @author Kiii

* @version 1.0

* */

public class ClassDemoWeekDay {

public static void main(String[] args) {

//已知天数46

int day = 46;

int week = 0;

int remainderDay;

//周数，剩余天数

remainderDay = day%7;

week = (int)day/7;//(int)取整

System.out.println("周数："+week);

System.out.println("剩余天数："+remainderDay);

}

}

通过day%7剩余的余数得到所剩余天数，day/7再取整得到周数，打印输出。