JAVA ---> Generating unique IDs

To generate UUID in Java we can use the java.util.UUID class. This class was introduced in JDK 1.5. The UUID.randomUUID() method return a UUID object.

A Sample Java Program for Generating Unique IDs :
import java.util.UUID;
public class GeneratingUniqId {
public static void main(String[] args) {
            UUID testId1 = UUID.randomUUID();
   UUID testId2 = UUID.randomUUID();
   System.out.println("UUID One: " + testId1);
   System.out.println("UUID Two: " + testId2);

}
}