19 Sep For this lab you will implement a Java program that uses several different data types and operators.
For this lab you will implement a Java program that uses several different data types and operators.
- Start Apache NetBeans.
- Create a new project called Lab 3.
- Add a java main class called yourlastnameLab3.java with your last name to the project and csci1011.lab3 as the package name
- Your program must have the following comments at the top of it
// <your name here>
// Sample program to calculate the value of a deposit
// after a year of earning interest.
// CSCI 1011 Lab 3
- It then should show a welcome message
- It then prompts the user to enter an initial deposit amount
- It reads the initial deposit value and assigns it into a double variable.
- Program then updates the new value of balance by using the following formula:
balance = balance + (balance * 0.049);
- Then the program will show a message like:
With a 4.9% APR your deposit will be worth $Y in one year.”
- Instead of Y you must show the value of balance variable.
- Run the program and test it with sample input. Do this several times.
- Modify the program so it uses a named constant in place of 0.049.
- Run the program and test it to see if it gives the same values.
- Modify the interest rate to 0.059.
- Run the program again and test it to see the values it gives have changed.
- Did you change the output so it now says 5.9%? If not make that change and run the program again.
- Since it would be easier not to have to change the program in two places, declare a new double variable called percent and set its value to 100 times the interest rate.
- Modify your output statement so it uses the percent variable instead of 5.9.
- Run the program again and test it to make sure it still works properly.
- Add some additional statements to compute what the balance will be after a second year of earning interest and display this result along with the original result.
- Run the program again and test it to make sure that the new code works.
- Here is an output of the program:
Welcome to (your name)’s interest calculator
Please enter your initial deposit amount:
10
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