CS 112 Final: CS 112 - Final Exam
Document Summary
Super, overload methods, final keyword, and final data 3. Super, overload methods, final keyword, and final data. If a parent class constructor with the specified signature doesn"t exist or is not accessible, a compile time error will result: parent class (if not java. lang. object) will call constructor of its parent class. Calling overload methods: use super to call an overridden method: supermethodnam(), super is similar to this super refers to the immediate parent"s environment while this refers to current environment; both for member variables and for methods. Instanceof to test if an object is a member of a given class or derived from that class. It will always return false if the object-reference is null. Equals(: equals is meant to compare the content of two instances of a class for equality. This often means comparing all of an object"s data members for equality, but it can be defined in other ways as well.