Dwayne runs a money lending business in which he offers different types of loans, such as personal loan,car loan, and home loan, on high rate of
interest to those individuals who cannot get a loan from the commercial banks. as part of his business activities. Dwayne
maintains a customer details register that contains the following information.
- the contact details of all those persons to whom Dwayne has lent money.
- the amount of money lent to each person.
- the interest rate charged from each person.
over the year,Dwayne's business has grown tremendously. this has caused an exponential increase in the number of customer
details that the needs to maintain. as Dwayne uses a physical register to maintain the customer details,he faces the following problem.
- in case the contact details of a customer changes.Dwayne needs to delect the previous entery and add a new entery for
the respective customer.
-the number of error committed during the data entery process are high.
to address the preceding issues.Dwayne decides to computerize the task of maintaining the customer details.therefore
he hires Elina a freelance software developer,for the task.Elina conduct a meeting with Dwayne and notes the following requirements:
. Dwayne does not have the buget to implement RDBMS. However,he wants that data is available all the time.as a result
the application must store the customer details persistently on Dwayne computer.
. the application should allow Dwayne to creat and modify the customer details as per his requirements.
.the application needs to store the customer details in such a way that the details can be read by only the application.
therefore, if the customer details file is opened by anyone other than the application,the content should not be readable as pain text.
Elina decides to develop the application using c#.Analyze the preceding scenario and answer the following questions:
1.Which classes of the .NET Framework should Elina use to Implement the input and output operations in the application?
justify the reason for the same.
2.Describe the different method of the classes that Elina would be using to implement file input and output operation
in the application.
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