Cloneable is implemented by the class (via the implements keyword) to prevent Object ‘s clone() method from throwing an instance of the CloneNotSupportedException class (also found in java.lang).

Second, if you examine the JVM sources, you will see that at the heart of java.lang.Object.clone() is the memcpy C function, usually implemented in very efficient assembly on a given platform; so ...

Which do you mean?<BR><BR>Generally each object's method (hashCode, equals, clone) should call the respective method on its members and aggregate the results of those method calls to build its own ...