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Riddle
Riddle

OOP Basics

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OOP Basics

Riddle

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About this activity

A riddle about core programming concepts.

Created by

Swati Nikam
Swati Nikam
India

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OOP Basics
 

OOP BasicsOnline version

A riddle about core programming concepts.

by Swati Nikam
1

I am the blueprint for creating many similar objects.

Hints

Central to object-oriented design alongside objects, inheritance, and polymorphism.

You instantiate me to get an object.

Defines data and behavior for objects.

2

Which object-oriented concept is not supported in Java using classes due to ambiguity problems like the Diamond Problem?

Hints

Java allows it through interfaces, but not through classes.

C++ supports it directly, Java does not.

It involves inheriting from more than one parent class.

3

Concrete instance of a class living in memory

Hints

Represents a real entity at runtime

Created by a constructor

Has state and behavior

4

Hiding internal details behind a public face

Hints

Keeps implementation details private

Wraps data and methods together

Protects data with access control

5

Focusing on essential features, ignoring details

Hints

Separates what from how

Hides complexity behind simpler models

Defined by abstract concepts and interfaces

6

A contract without implementation

Hints

No method bodies in interface definitions

Multiple classes can share the same interface

Defines methods that implementing classes must provide

7

New class reusing code from an existing one

Hints

Derives features from a parent

Supports code reuse

Represents an 'is-a' relationship

8

Many shapes of the same interface

Hints

Allows treating different objects uniformly

Key mechanism for dynamic binding

Override or overload to adapt behavior

9

Cannot be instantiated on its own

Hints

Serves as a base with incomplete methods

Used to define common behavior with some abstract methods

Provides partial implementation for derived classes

10

Initializes a new object

Hints

Sets up initial state

Called when an object is created

Has the same name as the class in many languages

 
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