java calendar

Calendar类after()方法 (Calendar Class after() method)

• after() method is available in java.util package.

  after()方法在java.util包中可用。

• after() method is used to check whether this calendar time is after the time denoted by the given Object's time or not.

  after()方法用于检查此日历时间是否在给定Object的时间所表示的时间之后。

• after() method is a non-static method, it is accessible with the class object and if we try to access the method with the class name then we will get an error.

  after()方法是一种非静态方法，可通过类对象访问，如果尝试使用类名称访问该方法，则会收到错误消息。

• after() method does not throw an exception at the checking this calendar time with the given time.

  after()方法在检查给定时间的日历时间时不会引发异常。

Syntax:

句法：

    public boolean after(Object time);

Parameter(s):

参数：

• Object time – represents the time to be compared with this calendar time.

  对象时间 –表示要与此日历时间进行比较的时间。

Return value:

返回值：

The return type of the method is boolean, it returns true when the given time is before this calendar time otherwise it returns false.

方法的返回类型为boolean ，如果给定时间早于日历时间，则返回true ，否则返回false 。

Example:

例：

// Java Program to demonstrate the example of
// boolean after(Object) method of Calendar
import java.util.*;
public class AfterOfCalendar {
public static void main(String[] args) {
// Instantiating two Calendar object
Calendar curr_ca = Calendar.getInstance();
Calendar after_ca = Calendar.getInstance();
// By using add() method is to add the 
// 10 months to the current calendar
after_ca.add(Calendar.MONTH, 10);
// Display current and after calendar
System.out.println("curr_ca.getTime(): " + curr_ca.getTime());
System.out.println("after_ca.getTime(): " + after_ca.getTime());
// By using after() method is to check
// the after_ca time is after the curr_ca
boolean status = after_ca.after(curr_ca);
//Display Result
System.out.println("after_ca.after(curr_ca): " + status);
}
}

Output

输出量

curr_ca.getTime(): Thu Jan 23 11:12:36 GMT 2020
after_ca.getTime(): Mon Nov 23 11:12:36 GMT 2020
after_ca.after(curr_ca): true

翻译自: https://www.includehelp.com/java/calendar-after-method-with-example.aspx

java calendar