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Capstone Project

Inheritence and Polymorphism

QuestionAnswer
What is a relationship between objects that share characteristics called? Inheritance
What is a class that is created from another class called? Subclass
What is an already existing class from which a new class is made from called? Superclass
Which is bigger: Subclass or Superclass Subclass
Changing a method from a Superclass is called? Method Overriding
If only part of the method is rewritten, it is called? Partial Overriding
Subclasses are declared by what keyword? extends
True or False: a Subclass inherits the private instance variables and private methods of the Superclass. False
What keyword calls a method from the Supercalss? super
True or False: Private methods can be overwritten. False
True or False: Constructors are inherited from a Superclass. False
True or False: An object can be created for the current class and any Subclasses, but not from the Superclass True
What is a method that has been overridden in at least one subclass called? Polymorphic
The mechanism of selecting the correct method for an object in a class hierarchy is called? Polymorphism
True of False: The selection of the correct method occurs during the running of the program. True
A run-time decision about what instance method to call is called? Dynamic Binding
Selecting the method during compiling is called? Static Binding
Casting a Superclass to a Subclass type is called? Downcasting
True or False: Abstract Classes should be instantiated. False
True or False: Abstract Methods should always be overridden. True
True or False: Abstract Methods are placeholder methods. True
An abstract class is declared with which keyword? abstract
What is a collection of related methods called? Interface
Which keyword declares an interface? interface
Which keyword implements Interfaces? implements
True or False: Comparable interfaces compare objects. True
Created by: ColeBrogdon
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