Create a test case/document to test the following Java program.
import javax.swing.JOptionPane;
public class LoanCalculator {
public static void main(String[] args) {
double loan = Double.parseDouble(JOptionPane.showInputDialog(null, “Input loan amount: “));
double apr = Double.parseDouble(JOptionPane.showInputDialog(null, “Input interest rate: “));
double num = Double.parseDouble(JOptionPane.showInputDialog(null, “Input number of payments: “));
double payment =
loan * (apr/1200.0) * Math.pow((1.0 + apr/1200.0), num) / (Math.pow((1.0 + apr/1200.0), num) – 1.0);
String message = String.format(“Your total is: $%,.2f”, payment);
JOptionPane.showMessageDialog(null, message);
}
} // LoanCalculator
When run, this program generates the following 4 screens/windows.
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