transaction.java

JAVA 2入门经典 练习答案

class Transaction {
  // Transaction types:
  public static final int DEBIT = 0;
  public static final int CREDIT = 1;
  public static String[] types = {"Debit","Credit"};

  // Constructor:
  public Transaction(Account account, int transactionType, int amount) {
    this.account = account;
    this.transactionType = transactionType;
    this.amount = amount;
  }

  public Account getAccount() {
    return account;
  }

  public int getTransactionType() {
    return transactionType;
  }

  public int getAmount() {
    return amount;
  }

  public String toString() {
    return types[transactionType] + " A//C: " + ": $" + amount;
  }

  private Account account;
  private int amount;
  private int transactionType;
}