32 lines
1.1 KiB
Java
32 lines
1.1 KiB
Java
package com.inmind.calendar03;
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import java.util.Calendar;
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/*
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11. Calendar里面的set方法
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public void set(int field, int value) ：将给定的日历字段设置为给定值。
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Date类操作时间必须传入毫秒值，太麻烦，日历类提供了直接操作年月日时分秒
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*/
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public class Demo09 {
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public static void main(String[] args) {
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Calendar calendar = Calendar.getInstance();//获取当前时间的日历对象
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System.out.println(calendar.get(Calendar.YEAR));
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System.out.println(calendar.get(Calendar.MONTH)+1);
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System.out.println(calendar.get(Calendar.DAY_OF_MONTH));
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showCalendar(calendar);
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//想将时间修改为2022-2-22
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calendar.set(Calendar.YEAR,2022);
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calendar.set(Calendar.MONTH,1);
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calendar.set(Calendar.DAY_OF_MONTH,22);
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System.out.println(calendar);
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//封装一个只看年月日的方法
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showCalendar(calendar);
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}
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public static void showCalendar(Calendar calendar) {
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System.out.println(calendar.get(Calendar.YEAR)+"年"+(calendar.get(Calendar.MONTH)+1)+"月"+calendar.get(Calendar.DAY_OF_MONTH)+"日");
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}
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}
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