OOPS Quiz (Set 16) - Upskilling Engineers

OOPS (Set 16)

1 / 10

What is method overloading in Java?

Defining multiple methods with the same name but different parameters in a class

Defining a new method in a subclass

Defining a method with the same name in a subclass

Defining methods in an abstract class

2 / 10

What is a package in Java?

A folder on the computer

A collection of classes and interfaces grouped together

A type of class

A variable that holds multiple values

3 / 10

What is the difference between a class and an object in OOP?

A class is a blueprint for creating objects, while an object is an instance of a class

A class and an object are the same thing

An object is a blueprint for creating classes, while a class is an instance of an object

A class and an object are both blueprints for creating other classes

4 / 10

What is method hiding in Java?

Defining a static method in a subclass with the same name as a static method in the parent class

Defining a method in a subclass with the same name but different parameters as a method in the parent class

Creating multiple instances of a class

Defining a new method in a subclass

5 / 10

What is the purpose of the 'interface' keyword in Java?

To define a new class

To define a blueprint for a class and its methods

To define a contract for classes that implement it

To define a variable in a class

6 / 10

What is the 'super' keyword in Java used for?

To create an instance of a class

To access static methods

To access methods from another class

To call the constructor of the parent class

7 / 10

What is the purpose of the 'extends' keyword in Java?

To create a new instance of a class

To indicate that a class is implementing an interface

To indicate that a class is inheriting from another class

To indicate that a class is abstract

8 / 10

What is an anonymous class in Java?

A class with no methods

A class without a name that's defined inside another class or method

A class that cannot have any instance variables

A class that cannot be inherited

9 / 10

What is a template class in C++?

A class that can be used to create instances of other classes

A class that uses a template to define one or more types

A class that inherits from multiple parent classes

A class that has only static methods

10 / 10

What is the 'const' keyword in C++ used for?

To declare classes

To declare constant variables

To declare static methods

To declare virtual methods

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