How to use UUID class of java.util package ?

 We can generate a UUID (Unique ID) in java using UUID class of java.util package.

import java.util.UUID;
public class UniqueIdGenerator {
    public static void main(String[] args) {
        String value = UUID.randomUUID().toString().replace("-", "");
        System.out.println("uuid = " + value);
    }
}
uuid = 5029262172c74f6cab932f30cb23bb07