bank.java

来自「java2参考大全上的例子的源码和自己的理解.」· Java 代码 · 共 31 行

package exceptiondemo;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class Bank {
    double balance;
    public void deposite(double dAmount) {
      if (dAmount > 0.0) {
        balance += dAmount;
      }
    }

    public void withdrawal(double dAmount) throws InsufficientFundsException {
      if (balance < dAmount) {
        throw new InsufficientFundsException(this, dAmount);
      }
      balance = balance - dAmount;
    }

    public void show_balance() {
      System.out.println("The balance is " + (int) balance);
    }
  }