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Programming - Inheritance

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19.

Object class is a superclass of all other classes?

A.	TRUE	B.	FALSE
C.	Can't Say	D.	None

20.

Java supports multiple inheritance?

A.	FALSE	B.	TRUE
C.	Can't Say	D.	None

21.

What is inheritance?

A.	Deriving an object from an existing class. In the other words, Inheritance is the process of inheriting all the features from a class	B.	Deriving an object from an existing class. In the other words, Inheritance is the process of inheriting all the features from a object
C.	Deriving an object from an existing class. In the other words, Inheritance is the process of inheriting all the features from a variable	D.	Deriving an object from an existing class. In the other words, Inheritance is the process of inheriting all the features from a method

22.

What are the advantages of inheritance?

A.	Reusability of code and accessibility of variables and methods of the superclass by subclasses.	B.	Reusability of code and accessibility of class of the superclass by subclasses.
C.	Reusability of code and accessibility of functions of the superclass by subclasses.	D.	Reusability of code and accessibility of variables and methods of the parentclass by subclasses.

23.

Which method is used to call the constructors of the superclass from the subclass?

A.	super(argument)	B.	super(method)
C.	super(variable)	D.	super(classname)

24.

Which is used to execute any method of the superclass from the subclass?

A.	super.method-name(arguments)	B.	super.method-name(method)
C.	super.method-name(variable)	D.	super.method-name(classname)

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