@@ -0,0 +1,320 @@
+package com.github.shibin;%0A%0Apublic class LockException extends RuntimeException%7B%0A%0A    public LockException(String message) %7B%0A        super(message);%0A    %7D%0A%0A    public LockException(Throwable e) %7B%0A        super(e);%0A    %7D%0A%0A    public LockException(String message, Throwable cause) %7B%0A        super(message, cause);%0A    %7D%0A%7D%0A

implement method but not test them