account.java

java 完全探索的随书源码

public class Account {
  private String accountNumber;
  private float balance;

  public String getAccountNumber() {
    return accountNumber;
  }

  public void setAccountNumber(String num) {
    // call static method of AccountManager class to validate
    // the account number
    if ( AccountManager.validAccountNumber( num ) ) {
      accountNumber = num;
    }
  }

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

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