Question

JAVA

Please debug. Has 2 errors. Thanks

----------------------------------------

import javax.swing.*;

public class UseCustomerAccount
{
    public static void main(String[] args)
    {
        int num;
        double balance;
        String input;
       
        input = JOptionPane.showInputDialog(null, "Enter an account number");
        num = Integer.parseInt(input);
        input = JOptionPane.showInputDialog(null, "Enter a balance due");
        balance = Double.parseDouble(input);
       
        try
        {
            CustomerAccount ca = new CustomerAccount(num, balance);
            JOptionPane.showMessageDialog(null, "Customer #" + num + " has a balance of $" + balance);
        }
        catch(HighBalanceException hbe)
        {
            JOptionPane.showMessageDialog(null, "Customer #" + num + " has a balance of $" + balance + " which is higher than the credit limit");
        }
    }
}

public class CustomerAccount
{
    private int acctNum;
    private double balance;
   
    public static double HIGH_CREDIT_LIMIT = 20000.00;
   
    public CustomerAccount(int num, double bal) throws HighBalanceException
    {
        acctNum = num;
        balance = bal;
        if(balance > HIGH_CREDIT_LIMIT)
        {
            throw(new HighBalanceException());
        }
    }
}

public class HighBalanceException throws UseCustomerAccount
{
    public HighBalanceException()
    {
        super("Customer balance is high");
    }
}

Answer 1

Correct Code:

CustomerAccount.java

public class CustomerAccount
{
private int acctNum;
private double balance;

public static double HIGH_CREDIT_LIMIT = 20000.00;

public CustomerAccount(int num, double bal) throws HighBalanceException
{
acctNum = num;
balance = bal;
if(balance > HIGH_CREDIT_LIMIT)
{
throw(new HighBalanceException());
}
}
}

HighBalanceException.java

public class HighBalanceException extends Exception
{
public HighBalanceException()
{
super("Customer balance is high");
}
}

UseCustomerAccount.java

import javax.swing.*;

public class UseCustomerAccount
{
public static void main(String[] args)
{
int num;
double balance;
String input;

input = JOptionPane.showInputDialog(null, "Enter an account number");
num = Integer.parseInt(input);
input = JOptionPane.showInputDialog(null, "Enter a balance due");
balance = Double.parseDouble(input);

try
{
CustomerAccount ca = new CustomerAccount(num, balance);
JOptionPane.showMessageDialog(null, "Customer #" + num + " has a balance of $" + balance);
}
catch(HighBalanceException hbe)
{
JOptionPane.showMessageDialog(null, "Customer #" + num + " has a balance of $" + balance + " which is higher than the credit limit");
}
}
}

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