date.after方法

日期类after()方法 (Date 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 date is after the given date (d) or not.

  after()方法用于检查此日期是否在给定日期(d)之后。

• after() method is a non-static method, it is accessible with the class object only 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，只能通过类对象访问，如果尝试使用类名访问该方法，则会收到错误消息。

• after() method may throw an exception at the time of the checking date.

  after()方法可能在检查日期时引发异常。

  NullPointerException: This exception may throw when the given parameter (d) is null exists.

  NullPointerException ：如果给定参数(d)为null，则可能引发此异常。

Syntax:

句法：

public boolean after(Date d);

Parameter(s):

参数：

• Date d – represents the Date object to be tested.

  Date d –表示要测试的Date对象。

Return value:

返回值：

The return type of this method is boolean, it returns true when this date is after the given Date (d) otherwise it returns false.

此方法的返回类型为boolean ，如果此日期在给定Date(d)之后，则返回true，否则返回false。

Example:

例：

// Java program to demonstrate the example // of boolean after() method of Date import java.util.*;public class AfterDate {
       public static void main(String[] args) {
           // create two Date object with two dates        Date this_date = new Date(2016, 8, 20);        Date given_date = new Date(2010, 11, 30);        // By using after() method is to check        // whether this date (this_date) is after the        // given date (given_date) or not        boolean status = this_date.after(given_date);        // Display status        System.out.println("this_date.after(given_date): " + status);    }}

Output

输出量

this_date.after(given_date): true

翻译自:

date.after方法