I need this in Java please make sure to have both parts as for the 15 runners you can name them how you want.

1,2,3,a,b,c or whatever.

Solve the following problem using a program: Suppose you save $100 each month into a savings account with an annual interest rate of 5%. Thus, the monthly interest rate is 0.05/12 = 0.00417.

After the first month, the value in the account becomes 100 * (1 + 0.00417) = 100.417

After the second month, the value in the account becomes (100 + 100.417) * (1 + 0.00417) = 201.252

And after the third month, the value in the account becomes (100 + 201.252) * (1 + 0.00417) = 302.507

... and so on.

Write a program that randomly generates monthly savings amounts for the 15 runners in Problem 4. Each monthly saving should be in the range of $100 to $800. Extend the AddressBook class to store the monthly savings generated by the random number generator.

Then, display the final account value for each of the 15 runners.