进阶day01-Calendar中的getTime方法
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19
javaSE-day01/src/com/inmind/calendar03/Demo11.java
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19
javaSE-day01/src/com/inmind/calendar03/Demo11.java
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package com.inmind.calendar03;
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import java.util.Calendar;
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import java.util.Date;
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/*
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public Date getTime() :返回一个表示此Calendar时间值(从历元到现在的毫秒偏移量)的Date对象。
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*/
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public class Demo11 {
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public static void main(String[] args) {
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Calendar calendar = Calendar.getInstance();
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calendar.add(Calendar.YEAR,-1);
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Date date1 = calendar.getTime();//日历类的getTime,获取的是当前时间的日期对象
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Date date2 = new Date();
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long beginTime = date1.getTime();//日期类的getTime,获取基准时间到当前时间的毫秒值
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long endTime = date2.getTime();
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System.out.println(endTime-beginTime);
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}
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}
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