Page 348 - C++

CBSE AISSCE 2017-2018 Marking Scheme for Computer Science
(2018-2019 Sub Code: 083 Paper Code: 91)

SECOND S;
___________________ //Statement 1
___________________ //Statement 2
}

(i) Which Object Oriented Programming feature is illustrated by the definitions of 1
classes FIRST and SECOND?

Ans Inheritance
OR
Encapsulation
OR
Data Abstraction
OR
Data Hiding

(1 Mark for writing any correct OOP feature from the given answers)

(ii) Write Statement 1 and Statement 2 to execute Member Function 1 and Member 1

Function 2 respectively using the object S.
Ans S.FIRST::Display()​ //Statement 1
S.Display()​ //Statement 2
OR
S.SECOND::Display()​ //Statement 2

(½ Mark for writing correct Statement 1)
(½ Mark for writing correct Statement 2)

(c) Write the definition of a class CONTAINER in C++ with the following description: 4
Private Members
- Radius,Height // float
- Type // int (1 for Cone,2 for Cylinder)
- Volume // float
- CalVolume() // Member function to calculate
// volume as per the Type
Type Formula to calculate Volume

1 3.14*Radius*Height
2 3.14*Radius*Height/3

Public Members
- GetValues() // A function to allow user to enter value
// of Radius, Height and Type. Also, call
// function CalVolume() from it.
- ShowAll() // A function to display Radius, Height,
// Type and Volume of Container

Ans class CONTAINER

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