C# Answers

Elina has started developing the application. She needs to ensure that the application meets the following requirements:

1:When the application executes for the first time, it should perform the following tasks:
.Display a message to the user to specify the path of the file in which the customer details are to be stored.
.Create the customer details file at the user-defined location.
.Create a configuration file and store the path of the customer details file in the configuration file.
This configuration file needs to be used by the application to retrieve the location of the customer details file.

2:The user should be able to save data to the customer details file. Write the code that Elina should use to save data to the customer details file.
3:The user should be able to view the data stored in the customer details file. Write the code that Elina should use to read the data stored in the customer details file and display it to the user.

The development team of SoftSols Inc. analyzes the source code of the existing software and
notes the following observations:
The software contains a private class, named bookTickets, that contains the methods used to
perform ticket bookings for various flights.
There is no class or function that can be used to check the maintenance details of FlyHigh's
aircrafts.
Based on the preceding observations, the development team decides to perform the following
tasks:
Reuse the functions of the bookTickets class in a new class, named bookETicket, to add the
feature of e-ticket booking.
Create a new class named viewMaintenance that allows the maintenance personnel of FlyHigh
Airlines to view the maintenance details of aircrafts.
Write the code snippet that the development team should use to accomplish each of the preceding
tasks

In the written examination conducted by WebSoft Solutions Pvt. Ltd., candidates are given certain advanced C# codes. They are asked to find the errors in the code (if any) and predict the output of the code. You are one of the candidates appearing at the interview. Optimize the code, find out the errors (if any), and predict the output of the following code snippet: [10 Marks]
using System; class Student { private string name = "Marcus Trott"; private double marks = 65.0; public void DispName() { System.Console.WriteLine("Name: ",; name); } public void DispMarks() { System.Console.WriteLine("Marks: ", marks); } }
class MainClass { static void Main() { Student s= new Student(); string n = s.DispName(); double m= s.marks; } }

Create a project called Currency Converter. It should contain a form similar to
Your form should have an option to convert between at least 5 currencies.
Marking Scheme
Description of the algorithm
Pseudo code
Form Layout
C# Code
Indentation in the code
Comments in the code
Presentation