BankAccount.java

public class BankAccount {
    private double balance;
    private String name;
    private double interestRate;
    private int acctnumber;

    public BankAccount(String n) {
name=n;
}

    public void deposit(double amt) {
// if to make sure amt > 0 would be better
balance = balance + amt;
    }

    public void withdraw(double amt) {
// this if is important
if (balance >= amt) {
balance = balance - amt;
}
    }

    public double getBalance() {
return balance;
    }

}