date.after方法

日期類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()方法用于檢查此日期是否在給定日期(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()方法是一種非靜態方法，只能通過類對象訪問，如果嘗試使用類名訪問該方法，則會收到錯誤消息。

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

  after()方法可能在檢查日期時引發異常。

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

  NullPointerException ：如果給定參數(d)為null，則可能引發此異常。

Syntax:

句法：

    public boolean after(Date d);

Parameter(s):

參數：

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

  Date d –表示要測試的Date對象。

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.

此方法的返回類型為boolean ，如果此日期在給定Date(d)之后，則返回true，否則返回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

輸出量

this_date.after(given_date): true

翻譯自: https://www.includehelp.com/java/date-after-method-with-example.aspx

date.after方法