TuitionCost.java

import java.text.DecimalFormat;

import javax.swing.JOptionPane;

public class TuitionCost {

  public static void main(String[] args) {
    int costHours;
    int student;
    String input;
    double a;

    DecimalFormat dollar = new DecimalFormat("#,##0.00");

    JOptionPane.showMessageDialog(null, "OCC Tuition Cost Calculation Program", "Tuition Costs at OCC", JOptionPane.INFORMATION_MESSAGE);
    input = JOptionPane.showInputDialog(null, "Are you a:\n1 - College District Residents\n2 - Non-Residents of College District\n3 - Out-of-State and International Students\n\nPlease enter 1, 2 or 3:", "Input", JOptionPane.QUESTION_MESSAGE);
    double[] rates = {76.40,139.10,195.15};
    student = Integer.parseInt(input);

    if(student > 0 && student < 4){
        input = JOptionPane.showInputDialog(null, "How many credit hours are you taking?", JOptionPane.QUESTION_MESSAGE);
        costHours = Integer.parseInt(input);
        if(costHours != 0){
            a = costHours * rates[student];
            JOptionPane.showMessageDialog(null, dollar.format(costHours) + " hours at $" + rates[student] + " per hour yields a tuition of $" + dollar.format(a));
        }else{
            JOptionPane.showMessageDialog(null, "Credit hours cannot be zero.", "Invalid Input", JOptionPane.ERROR_MESSAGE);
        }
        System.exit(0);
    }else {
        JOptionPane.showMessageDialog(null, "You must enter a 1, 2, or 3.\nPlease Run the program again.", "Invalid Input", JOptionPane.ERROR_MESSAGE);
    }
  }
}