java uuid静态方法_Java UUID equals()方法与示例
java uuid靜態方法
UUID類equals()方法 (UUID 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 object equals to the given object or not.
equals()方法用于檢查此對象是否等于給定對象。
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 of checking the equality of two objects.
在檢查兩個對象的相等性時, equals()方法不會引發異常。
Syntax:
句法:
public boolean equals(Object ob);Parameter(s):
參數:
Object ob – represents the Object (ob) is to be compared with this object.
對象ob –表示要與該對象進行比較的對象(ob)。
Return value:
返回值:
The return type of the method is boolean, it returns true when this object is same as the given object (ob) otherwise it returns false.
方法的返回類型為boolean ,如果此對象與給定對象(ob)相同,則返回true,否則返回false。
Example:
例:
// Java program to demonstrate the example // of boolean equals(Object ob) method of UUID import java.util.*;public class EqualsOfUUID {public static void main(String[] args) {// Instantiate UUID UUID uuid1 = UUID.fromString("46400000-8cc0-11bd-b43e-10d46e4ef14d");UUID uuid2 = UUID.fromString("56500000-8cd0-10bd-b65e-10d46e4ef14d");// By using equals() method is// to check equality of this object// with the given objectboolean status = uuid1.equals(uuid2);System.out.println("uuid1.equals(uuid2): " + status);} }Output
輸出量
uuid1.equals(uuid2): false翻譯自: https://www.includehelp.com/java/uuid-equals-method-with-example.aspx
java uuid靜態方法
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