1 Complete Java program with the following specifications:
- Display a welcoming message such as: "Welcome to Calculator Program!"
- Prompt the user twice to enter two positive whole numbers, indicating first and second values, first value being smaller than the second one
- Calculate the square and cube of each number from first value to second value inclusive and then display an appropriately headered three column table with each row containing the number, its square and its cube respectively
- Display a farewell message such as: "Goodbye, thank you for using our program!"
2 Complete Java program to calculate the total charge corresponding to purchase of books at a fictional annual book festival. The price of each book is based on its category as described below:
- Large print hardback books $10 each or three for $20
- Small print hardback books $7 each or two for $10
- All softcover books $5 each or five for $15
An example run of the program might look like the following (user input is shown in bold):
Welcome to the annual book festival!
Enter the number of large print hardback books purchased: 4
Enter the number of small print hardback books purchased: 6
Enter the number of softcover books purchased: 7
Your total bill is: $85
Would you like to calculate another bill (y/n)? y
Enter the number of large print hardback books purchased: 6
Enter the number of small print hardback books purchased: 0
Enter the number of softcover books purchased: 10
Your total bill is: $70
Would you like to calculate another bill (y/n)? n
Total sales in this session: $155
Goodbye!