Cus 1116 - Study guides, Class notes & Summaries

The process of inheritance should establish a(n) ___________________ relationship. a) is-a b) has-a c) static d) not-a e) none of the above - correct answer (A.) (is-a) Inheritance should establish an is-a relationship. Therefore any objects that are of a type lower in the inheritance hierarchy are also of a type higher in the inheritance hierarchy. The original class that is used to derive a new class using inheritance is called ____________________ . a) a superclass b) a par...

A special method that is invoked to set up an object during instantiation is called a ___________________. - correct answer constructor Which of the following is an invalid way to instantiate a String object? - correct answer all of the above are valid Assume that we have a Random object referenced by a variable called generator. Which of the following lines will generate a random number in the range 5-20 and store it in the int variable randNum? - correct answer randNum = I...

Keyword causes an object to be created in memort - correct answer new This is a method that gets a value from a class's field, but does not change it - correct answer accessor method This is a method that stores a value in a field or in some other way changes the value of a field - correct answer mutator method This is a method that is automatically called when an instance of a class is created - correct answer constructor This is automatically provided for a cla...

An instance of a user-defined type that includes attributes (instance variables) and related ______ that work with these variables. - correct answer Object A(n) _____________ is a special method that will be automatically called upon the creation of an object. - correct answer constructor The accessibility of set and get methods of a class must be set to _____________. - correct answer public An object reference is a variable that stores - correct answer location of ...