CS504 Assignment 3 Solution 2021 - VU Answer

CS504 Assignment 3 Solution Spring 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

Fa├žade 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;



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