java.util.Calendar.getTimeInMillis()

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最新推荐文章于 2024-08-26 16:15:35 发布

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java.util.Calendar.getTimeInMillis()方法实例

来源：翻译整理注：由于水平有限，欢迎指正。转载请务必注明出处。

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java.util.Calendar.getTimeInMillis() 方法返回此Calendar以毫秒为单位的时间。

声明

以下是java.util.Calendar.getTimeInMillis()方法的声明

public long getTimeInMillis()

参数

返回值

该方法返回当前时间的UTC毫秒。

异常

例子

下面的示例演示java.util.calendar.getTimeInMillis()方法的用法。

package com.yiibai;

import java.util.*;

public class CalendarDemo {

   public static void main(String[] args) throws InterruptedException {

      // create a calendar
      Calendar cal = Calendar.getInstance();

      // print current time in milliseconds
      System.out.println("Current time is : " + cal.getTimeInMillis());

      // add a delay of 2 seconds
      Thread.sleep(2000);

      // create a new calendar
      Calendar cal2 = Calendar.getInstance();

      // print the next time in milliseconds
      long d = cal2.getTimeInMillis();
      System.out.println("Next time is : " + d);

   }
}

让我们来编译和运行上面的程序，这将产生以下结果：

Current time is : 1336226501635
Next time is : 1336226503635