java - import java.util.UUID 有什么用？

Question

import java.util.UUID
public class Person implements Serializable {

        private UUID uuid;

        public Person() {
            uuid = UUID.fromString("3856c3da-ea56-4717-9f58-85f6c5f560a5");
        }

        public UUID getUuid() {
            return uuid;
        }
    }

Answer 1

它可以帮助您解析/生成 Universally unique identifier .