Software Engineering Project: Loan Amount Calculator

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Analysis
The code is developed using java language. The application is developed for the purpose of
calculating the total loan charges and the monthly loan charges using the input from the user.
The application ask the user about the total amount of loan and the time period of the loan.
According to the input, the application then processes the input and calculates the monthly pay
and the total pay with respect to the rate of interest.
Design
The design of the application is simple and east as it is a console based java application.
The application runs in following steps:
1. The user will input the amount of loan. If the user inputs an invalid value, then the
program terminates with an error message.
2. The user will input the loan period. If the user inputs an invalid value, then the program
terminates with an error message.
3. The application then processes the input and generated a table showing the monthly
payment and the total payment according to the interest rate.

Coding

Output screenshot

Testing
According to the design, if the user enters the loan amount less than 0 then the application will
be terminated with an error message.
According to the design, if the user enters the loan period less than 0 then the application will be
terminated with an error message.