UUIDUtil.getLowerUUID()
时间: 2023-07-30 16:06:49 浏览: 54
UUIDUtil.getLowerUUID() 是一个 Java 类中的方法,用于生成一个全局唯一的标识符(UUID)。这个方法会返回一个由32个字符组成的字符串,其中包含了16个字节的十六进制表示。这个字符串中的字母都是小写的。通过调用这个方法,你可以获取一个不重复的标识符,用于唯一标识某个实体或对象。
相关问题
UuidUtil.gen32OrderedUuid()
As an AI language model, I do not have access to the specific implementation details of the `UuidUtil.gen32OrderedUuid()` function. However, based on the name of the function, it is likely that it generates a 32-byte (256-bit) universally unique identifier (UUID) that is ordered in a specific way. UUIDs are commonly used to uniquely identify objects or entities in computer systems, and the ordering of the UUIDs can be important for certain applications such as database indexing or sorting. Without more context or information about the specific implementation of this function, it is difficult to provide a more detailed explanation.
java UUID工具类
Java中提供了UUID类用于生成唯一标识符(UUID)。以下是一个UUID工具类的示例:
```java
import java.util.UUID;
public class UUIDUtil {
/**
* 生成UUID
* @return 返回UUID字符串
*/
public static String generateUUID() {
UUID uuid = UUID.randomUUID();
return uuid.toString().replace("-", "");
}
}
```
该工具类只有一个方法generateUUID(),用于生成UUID字符串。这个方法会使用Java提供的UUID类生成一个唯一标识符,并将其转换为字符串格式返回。注意:由于UUID中包含“-”符号,因此在返回字符串时需要将其替换掉。
使用该工具类的示例如下:
```java
public class TestUUIDUtil {
public static void main(String[] args) {
String uuid = UUIDUtil.generateUUID();
System.out.println(uuid);
}
}
```
输出结果类似于:
```
e8d1b4dc274f46c4a7e1e48a8e0f3fe0
```
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