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 object
boolean 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