**Java.lang.Cloneable** 接口是一个[标记接口](https://www.geeksforgeeks.org/marker-interface-java/)。它是在 JDK 1.0 中引入的 ...
Convert scala.Cloneable and scala.Serializable to simple type aliases for java.lang.Cloneable and java.io.Serializable. The current state has caused confusion and a few issues, because the Scala types ...