cs504 assignment no 3 fall 2020

 

Assignment Solution CS504

 

 

Solution

 

 

Question No. 1: (6 Marks)

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

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: (4 Marks)

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

 

 

 

 

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

 

Question No. 3: (10 Marks)

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.    

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;

 

 

 

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