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# CS304 Assignment # 3 last date 13 January 2017

Assignment No. 03
Semester: Fall  2016
Object Oriented Programming – CS304

Total Marks: 20

Due Date:  13th Jan, 2017

Objectives:

To get a hands on experience in implementing member initialization list, Inheritance and overriding functions in Object oriented Programming

Instructions:

It should be clear that your assignment will not get any credit if:

• The assignment is submitted after due date.
• The assignment is submitted via email.
• The assignment is copied from Internet or from any other student.
• The submitted assignment does not open or file is corrupt.
• It is in some format other than .cpp (Code File).

Note: All types of plagiarism are strictly prohibited.

For any query about the assignment, contact at CS304@vu.edu.pk

Problem Statement:

Consider the following part of class diagram in continuation of previous assignments.

Class Diagram

The distance from the sun for all the planets is calculated as the distance from the Earth to the Sun (the AU), where AU is the unit of distance and 1 AU = 150,000,000 km

Following table shows distance of planets from the Sun in AU.

 Planet Distance from the sun Mercury 0.38 AU Venus 0.723 AU Earth 1.000 AU Mars 1.524 AU Jupiter 5.204 AU Saturn 9.582 AU

Distance of planet from sun in Kilometer (KM) can be calculated by multiplying distance with the value of AU. For example, If you want to calculate the distance of earth from sun in KM then;

Distance = 1*150,000,00 = 150,000,000

1. Keeping in view the above given class diagram and scenario, you have to write code for the below mentioned classes and implement their relationship with each other.
2. As Cal_Distance() function will implement the same formula for all inner and outer planets, so you are required to implement this function in Planet class only.
3. You are also required to calculate the distance of Mercury from Sun in Kilometers.
4. 1. Class Planet:

Attribute:

Name: string

Distance: double

Methods/Operations/Getters/Setters:

Print: void

Cal_Distance: double

2. Class Inner_Planet:

Methods/Operations/Getters/Setters:

Print: void

Cal_Distance: double

3. Class Mercury:

Methods/Operations/Getters/Setters:

Print: void

Cal_Distance: double

Important points:

• Your program should be able to create an object for Mercury class having a Name, Radius and Distance without creating an explicit object of Planet class.
• All Planet attributes should be directly accessible to Inner_Planet and Mercury and should not be accessible publically.
• Definition of both functions, Print() and Cal_Distance(), should be included in Planet class. Override these functions in Inner_Planet and Mercury classes.
• Display the values of attributes and calculated distance as shown in sample output.

Note:

1. Radius of Mercury is 2440 KM.
2. Use Member Initialization list where needed.
3. You main function should look like this;

Sample Output:

Views: 786

### Replies to This Discussion

Idea codding Attached

Attachments:

Asslam-u-Alaikum

There are some issues with coding, can you please upload the solved one.

Regards,

check this

Attachments:

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