java uuid静态方法

UUID类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()方法用于检查此对象是否等于给定对象。

• 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()方法是一种非静态方法，仅可通过类对象访问，如果尝试使用类名访问该方法，则会收到错误消息。

• equals() method does not throw an exception at the time of checking the equality of two objects.

  在检查两个对象的相等性时， equals()方法不会引发异常。

Syntax:

句法：

public boolean equals(Object ob);

Parameter(s):

参数：

• Object ob – represents the Object (ob) is to be compared with this object.

  对象ob –表示要与该对象进行比较的对象(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.

方法的返回类型为boolean ，如果此对象与给定对象(ob)相同，则返回true，否则返回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

输出量

uuid1.equals(uuid2): false

翻译自:

java uuid静态方法