java的equals方法_Java Date equals()方法与示例
java的equals方法
日期類equals()方法 (Date Class equals() method)
equals() method is available in java.util package.
equals()方法在java.util包中可用。
equals() method is used to check whether this date and the given object (o) are equals or not.
equals()方法用于檢查此日期和給定對象(o)是否相等。
equals() 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.
equals()方法是一種非靜態方法,僅可通過類對象訪問,如果嘗試使用類名訪問該方法,則會收到錯誤消息。
equals() method does not throw an exception at the time checking equality of this date object with the given object (o).
在檢查此日期對象與給定對象(o)的相等性時, equals()方法不會引發異常。
Syntax:
句法:
public boolean equals(Object o);Parameter(s):
參數:
Object o – represents the object to be compared with this date.
對象o –表示要與此日期進行比較的對象。
Return value:
返回值:
The return type of this method is boolean, it returns true when two date objects are equals otherwise it returns false.
此方法的返回類型為boolean ,當兩個日期對象相等時返回true,否則返回false。
Example:
例:
// Java program to demonstrate the example // of boolean equals(Object o) method of Dateimport java.util.*;public class EqualsOfDate {public static void main(String[] args) {// create two Date object with two datesDate this_date = new Date(2016, 8, 20);Date given_date = new Date(2010, 11, 30);// By using equals() method is to check // equality of this_date and the given_dateboolean status = this_date.equals(given_date);// Display statusSystem.out.println("this_date.equals(given_date): " + status);} }Output
輸出量
this_date.equals(given_date): false翻譯自: https://www.includehelp.com/java/date-equals-method-with-example.aspx
java的equals方法
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