Qrb 501 Final Exam Paper

1. Write a program that calculates and prints the product of three integers.

3. Write an application that asks the user to enter two integers, obtains them from the user and prints their sum, product, difference and quotient (division).

5. Write an application that inputs three integers from the user and displays the sum, average, product, smallest and largest of the numbers.

7. Write a Java program that reads a string from the keyboard, and outputs the string twice in a row, first all uppercase and next all lowercase. If, for instance, the string “Hello" is given, the output will be “HELLOhello".

9. Create a class called Employee that includes three pieces of information as instance variables—a first name (typeString), a last name (typeString) and a monthly salary (double). Your class should have a constructor that initializes the three instance variables. Provide a set and a get method for each instance variable. If the monthly salary is not positive, set it to 0.0. Write a test application named EmployeeTest that

Create class SavingsAccount. Usea static variable annualInterestRate to store the annual interest rate for all account holders. Each object of the class contains a private instance variable savingsBalance indicating the amount the saver currently has ondeposit. Provide method calculateMonthlyInterest to calculate the monthly www.oumstudents.tk interest by multiplying the savingsBalance by annualInterestRate divided by 12 this interest should be added to savingsBalance. Provide a static method modifyInterestRate that sets the annualInterestRate to a new value. Write a program to test class SavingsAccount. Instantiate two savingsAccount objects, saver1 and saver2, with balances of $2000.00 and $3000.00, respectively. Set annualInterestRate to 4%, then calculate the monthly interest and print the new balances for both savers. Then set the annualInterestRate to 5%, calculate the next month’s interest and print the new balances for both