Programming & Computer Science Answers

Write a program that inputs a string value from the user and displays it in reverse using pointer. 

Create a class called Book to represent a book. A Book should include four pieces of information as

instance variables‐a book name, an ISBN number, an author name and a publisher. Your class should

have a constructor that initializes the four instance variables. Provide a mutator method and accessor

method (query method) for each instance variable. In addition, provide method named getBookInfo

that returns the description of the book as a String (the description should include all the information

about the book). You should use this keyword in member methods and constructor. Write a test

application named BookTest to create an array of object for 30 elements for class Book to demonstrate

the class Book's capabilities.

Write a program with a mother class animal. Inside it define a name and an age variables, and

set_value() method.Then create two instance variables Zebra and Dolphin which write a message

telling the age, the name and giving some extra information (e.g. place of origin).

The school of Computing and Mathematical Sciences is open for registration of ICT qualifications. Create a registration form that accepts a prospective student’s name, surname, race, gender, cellphone number, email address, home address and the ICT qualification the student wishes to apply for (Diploma in ICT: Applications Development, Advanced Diploma in ICT: Application Development, Post Graduate Diploma in ICT: Applications Development). Upon completion of the form, the prospective student must agree to the terms and conditions of the university by selecting a checkbox and submit the form. Insert this data into the database. Also include a delete and update button. 

NB: Please align your textboxes and text fields

Q.1.8

The user must have the ability to search for a product. The user will select menu item two (2), which will prompt the user to enter a product code. If a valid product is found in the application, then display the product details to the user. If no valid product is found, display an error message to the user that the product cannot be located.

Sample Product Search Screenshot

Please enter the product code to search: 235

PRODUCT SEARCH RESULTS

PRODUCT CODE: A55

PRODUCT NAME: EliteBook

PRODUCT WARRANTY: laptop

PRODUCT CATEGORY: 2 years

PRODUCT PRICE: 15000

PRODUCT STOCK LEVELS: 3

PRODUCT SUPPLIER: IT_4_Africa

Enter (1) to launch menu or any other key to exit

Sample Invalid Product Screenshot

Please enter the product code to search: 1

The product cannot be located.

Invalid Product Enter (1) to launch menu or any other key to exit

There is a structure called employee that holds information like employee code, name, date of joining. Write a program to create an array of the structure and enter some data into it. Then ask the user to enter current date. Display the names of those employees whose tenure is 3 or more than 3 years according to the given current date

Create and Print List -3

You are given

N numbers as input. Create a list and add the N numbers which are given as input and print the list.Input

The first line of input is an integer

N. The next N lines each contain an integer.Explanation

In the given example,

N=4 and the numbers are 1, 2, 3, 4. So, the output should be [ 1, 2, 3, 4 ]

Sample Input 1

4

1

2

3

4

Sample Output 1

[1, 2, 3, 4]

Sample Input 2

3

13

21

19

Sample Output 2

[13, 21, 19]

Given an MxN integer matrix, write a program to - Find all zeros and replace them with the sum of their neighbor

elements.

- After replacing the zeros, set all other elements in the corresp row and column with zeros (excluding the elements which were previously zeros).

Note: Consider the upper, lower, right and left elements as

neighboring elements.

You are given a list of prices, where given stack on the i th day.


Write a program to print the maximum profit by choosing a singl to buy a stock and choosing a different day in the future to sell stock.


If there is no profit that can be shieved, return 0

Write a program with a mother class and an inherited daugther class. Both of them should have a

method void display () that prints a message (different for mother and daugther).In the main define a

daughter and call the display() method on it.