generalaccount.java

来自「java 完全探索的随书源码」· Java 代码 · 共 34 行

/**
 * A simple class used to implement common behavior for various
 * types of bank accounts. It should be extended to implement
 * behavior for specific accounts.
 */
public class GeneralAccount {

  // unique account identifier
  private String accountNumber;

  // this will hold the current account balance
  protected float balance;

  public GeneralAccount( String accountNum ) {
    accountNumber = accountNum;
  }

  public String getAccountNumber() {
    return accountNumber;
  }

  public float getBalance() {
    return balance;
  }

  public void makeDeposit( float amount ) {
    balance += amount;
  }

  public void makeWithdrawal( float amount ) {
    balance -= amount;
  }
}