Java Programming

/** The BankAccount class is an abstract class that holds general data about a bank account. Classes representing specific types of bank accounts should inherit from this class. */ public abstract class BankAccount { // Class variable so that each account // has a unique number protected static int numberOfAccounts = 100001; // Current balance in the account private double balance; // Name on the account private String owner; // Number bank uses to identify account private String accountNumber; /** Default constructor */ public BankAccount() { balance = 0; accountNumber = numberOfAccounts + ""; numberOfAccounts++; } /** Standard constructor @param name The owner of the account. @param amount The beginning balance. */ public BankAccount(String name, double amount) { owner = name; balance = amount; accountNumber = numberOfAccounts + ""; numberOfAccounts++; } /** Copy constructor creates another account for the same owner. @param oldAccount The account with information to copy. @param amount The beginning balance of the new account. */ public BankAccount(BankAccount oldAccount, double amount) { owner = oldAccount.owner; balance = amount; accountNumber = oldAccount.accountNumber; } /** Allows you to add money to the account. @param amount The amount to deposit in the account. */ public void deposit(double amount) { balance = balance + amount; } /** Allows you to remove money from the account if enough money is available, returns true if the transaction was completed, returns false if there was not enough money. @param amount The amount to withdraw from the account. @return True if there was sufficient funds to complete the transaction, false otherwise. */ public boolean withdraw(double amount) { boolean completed = true; if (amount <= balance) { balance = balance - amount; } else { completed = false; } return completed; } /** Accessor method to balance @return The balance of the account. */ public double getBalance() { return balance; } /** accessor method to owner @return The owner of the account. */ public String getOwner() { return owner; } /** Accessor method to account number @return The account number. */ public String getAccountNumber() { return accountNumber; } /** Mutator method to change the balance @param newBalance The new balance for the account. */ public void setBalance(double newBalance) { balance = newBalance; } /** Mutator method to change the account number @param newAccountNumber The new account number. */ public void setAccountNumber(String newAccountNumber) { accountNumber = newAccountNumber; } }