CS504 Assignment 3 Solution 2021

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CS504 ASSIGNMENT 3 SOLUTION SPRING 2021

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Question No 1:

Identify the suitable design pattern for each real world/example application.

Solution:

Real-world/Example Application	Design Pattern
Print Spooler	Singleton Pattern
Oven’s Preprogrammed Switches Interface	Façade Pattern
Weather Alert App	Observer Pattern

Question No 2:

Identify the most appropriate architectural style for each example application system.

Solution:

Application Systems	Architectural Styles
Operating System	Layered Architecture
Compiler	Three-tier Architecture

Question No 3:

Following table contains some code statements in C++, which are not in proper coding convention. Make the code statements self-documented by following the naming convention and best programming practices given in the course contents. Write your answer in the 2nd column of the table in the respective row.

Solution:

Code Statements without proper coding conventions	Code Statements with proper coding conventions
float sum = .25; //declaring a float variable	Float sum=0.25;
string bookname; //declaring a string variable for book name	String bookName;
if (isEven) printEven(); //conditional statement	If(isEven) {printEven();}
floatValue = intValue //type casting	floatValue = (float) intValue;
double speed = 0; //declaring a double variable	double speed = 0.0;