Tests whether one type, method, or field declaration hides another.paramsub the first memberparamsup the second memberreturntrue if and only if the first member hides the second
Tests whether one method overrides another. When a non-abstract method overrides an abstract one, the former is also said to implement the latter.paramsub the first methodparamsup the second methodreturntrue if and only if the first method overrides the second