For each method add a precise description of its purpose, input and output.

Explain the purpose of each member variable.

/* ADD COMMENTS TO THIS CLASS, DO NOT CHANGE ANY CODE! */

import java.util.*;

public class BankAccount {

private int accountNumber;

private String ownerName;

private double balance;

private String type; // Personal, Business, Charitable

public BankAccount() {

accountNumber = 0;

ownerName = "";

balance = 0.0;

type = "Personal";

}

public BankAccount(int number, String name, double initialDeposit, String type) {

accountNumber = number;

ownerName = name;

balance = initialDeposit;

this.type = type; // Why does 'this' need to be used here??

}

public int getAccountNumber() {

return accountNumber;

}

public void setAccountNumber(int number) {

accountNumber = number;

}

public String getOwnerName() {

return ownerName;

}

public void setOwnerName(String name) {

ownerName = name;

}

public double getBalance() {

return balance;

}

public void setBalance(double newAmount) {

balance = newAmount;

}

public String getType() {

return type;

}

public void deposit(double amount) {

balance += amount;

}

public void withdrawl(double amount) {

balance -= amount;

}

public String toString() {

return type + ": " + accountNumber + " " + ownerName + " " + balance;

}

}