account.java

This project does not contain a full, runnable application program. Instead, the only package ope.ac

  
package ope.account;

/**
 * The class <CODE>Account</CODE> represents accounts in
 * a simple (unrealistic) banking system. 
 */
public class Account {

  private Customer owner;         // fixed value
  private double balance;         // gatherer: sum of the deposits and withdrawals

  /**
   * Creates a new account of the given customer. The new
   * account has a zero balance.
   * 
   * @param owner the customer whose account is being created
   */  
  public Account(Customer owner) {
    this.owner = owner;
    this.balance = 0;  
  }
  

  /**
   * Returns the customer who owns the account.
   *
   * @return account owner
   */
  public Customer getOwner() {
    return this.owner;
  }

  
  /**
   * Returns the current balance of the account.
   * 
   * @return account balance
   */
  public double getBalance() {
    return this.balance;
  }

  
  /**
   * Deposits the a given sum onto the account if the
   * given value is positive. Otherwise, does nothing.
   * 
   * @param amount the amount to deposit 
   */
  public void deposit(double amount) {
    this.balance = this.balance + amount;
  }
  

  /**
   * Tries to withdraw the given sum from the account if 
   * the given value is positive. Otherwise, does nothing.
   * If the given value is higher than the account's current
   * balance, only the money currently available on the
   * account is withdrawn.
   * 
   * @param amount the amount to withdraw
   */
  public void withdraw(double amount) {
    this.balance = this.balance - amount;
  }

  
  /**
   * Transfers the given sum from this account to another given
   * account, assuming that there is sufficient money available in
   * this account. If not, no transfer is made at all.
   * 
   * @param anotherAccount the accont the money is deposited on
   * @param amount         the amount to transfer
   */
  public void transferTo(Account anotherAccount, double amount) {
    this.withdraw(amount);
    anotherAccount.deposit(amount);
  }
  
  
}