3680 exam 2

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What is Inheritance

Allows a new class to extend an existing class

Superclass

general class

This operator can be used to determine whether a reference variable references an object of a particular class.

instanceof

When a class implements an interface, an inheritance relationship known as _______ inheritance is established.

interface

You can use the ______ operator to define an anonymous inner class.

new

If two methods have the same name but different signatures, they are ____________. This is true where the methods are in the same class or where one method is in the superclass and the other method is in the subclass.

overloaded

Abstract methods must be...

overridden

a method cannot _________ another method in the same class.

override

Subclass

specialized class

If a super statement that calls a superclass constructor appears in a ________ constructor, it must be the first statement.

subclass

You can write a super statement that calls a superclass constructor, but only in the ________ constructor.

subclass

If a subclass constructor does not explicitly call a superclass constructor, Java will automatically call ________ just before the code in the subclass's constructor executes.

super()

A ____ constructor always executes before the subclass constructor.

superclass

If a method in a subclass has the same signature as a method in the superclass, the subclass method overrides the ______ method.

superclass

If a superclass does not have a default constructor and does not have a no-arg constructor, then a class that inherits from it must call one of the constructors that the ______ does have.

superclass

You cannot call the _________ constructor from any other method

superclass

All classes directly or indirectly inherit from this class.

Object

____________, can only take place in an inheritance relationship.

Overriding

Abstract classes cannot...

be instantiated

With this type of binding, the Java Virtual Machine determines at runtime which method to call, depending on the type of the object that a variable references.

dynamic


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