Programming & Computer Science Answers

A passenger train travels at a speed of 72 km/h. A man on the passenger train observes a

goods train travelling at a speed of 54 km/h in the opposite direction. If the good train passes him in X

seconds, write a C++ function to find the length of the goods train.

Design wrapper classes about the surface area of a rectangle

Design wrapper classes about program in C# to read n number of values in an array and display it in reverse order. thank you in advance

Create a struct point to represent a point in cartesian coordinate system

provide member functions

default constructor

input

output

distance(returns the distance between two point objects, the function takes one object as an argument)

is zero(determines if a point is the center)

midlepoint (computes the middle point of an object from origin and returns the answer in a point object)

is equal to(compare two points)

isGreater than (compares two point in terms of the distance from the center)

write a pseudocode to output sum

Write a Python program which collects and prints the stations of InterCity trains. 

The output should display the departure time and then name of the train separated by a semi colon. Eg: "8.29; Zuglo". It should be displayed one after the other.

add two intergers

System, such as ShopSavvy(shopsavvy.com), allows people to purchase goods from over 40,000 stores via a single application. Suppose two system maintenance requests have emerged for mobile shopping applications in following situations: Situation 1:A new payment method (e.g., Bitcoins) is needed to be added to mobile shopping application. Situation 2:This is based on mixed payment method.customer can use multiple payment ways in a single transaction, such as credit card or gift card. Suppose a customer decides to pay using both. customer first pays a portion of full amount through gift card and then balance using credit card. In this case, it has been identified that mobile shopping application incorrectly charges the amount paid on credit card instead of balance before completing transaction.

a.Specify what categories of system maintenance are described above.

b.Assume that you are performing an impact analysis of changes.Identify consequence that could occur due to each of changes requested above.