⏱️ Exam Details

• Time: 2 Hours
• Maximum Marks: 50

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📌 Q1. Class & Object + Constructor (10 Marks)

Create a class Book with:

• Data members: title, author, price

Requirements:

• Create a parameterized constructor to initialize values
• Create a method displayDetails()
• Create object in main() and display details

👉 Concepts tested:

• Class & Object
• Constructor initialization

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📌 Q2. Inheritance & Method Overriding (10 Marks)

Create a class Person:

• Method: showDetails()

Create a subclass Student:

• Add: rollNumber
• Override showDetails()

Requirements:

• Display student-specific details
• Use overridden method

👉 Concepts tested:

• Inheritance
• Method overriding

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📌 Q3. Encapsulation + Getter/Setter (10 Marks)

Create a class BankAccount:

• Private variables:
  • accountNumber
  • balance

Requirements:

• Provide getter and setter methods
• Create object and display details using getters

👉 Concepts tested:

• Encapsulation
• Data hiding

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📌 Q4. Abstract Class / Interface (10 Marks)

Create an abstract class Vehicle:

• Abstract method: start()
• Concrete method: fuelType()

Create subclasses:

• PetrolVehicle
• ElectricVehicle

Requirements:

• Implement abstract method
• Call both methods

👉 Concepts tested:

• Abstraction
• Abstract class

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📌 Q5. Polymorphism + Dynamic Method Dispatch (10 Marks)

Create a class Shape:

• Method: draw()

Create subclasses:

• Circle
• Square

Requirements:

• Override draw()
• Use parent class reference to call methods

👉 Concepts tested:

• Runtime polymorphism
• Dynamic method dispatch