package com.sf.javase.day07.homework; import java.text.BreakIterator; /** * 这是储蓄卡的类 */ public class DepositCard { private String id;//账户 private Double balance; //余额 public void withdraw(double money){ if(money < 0){ System.out.println("提示取款金额不能为负数"); return; } if(money > balance){ System.out.println("否则提示余额不足"); return; } balance -= money; } public void save(double money){ if(money < 0){ System.out.println("存款不能为负数"); return; } balance += money; } public String getInfo(){ return "DepositCard{" + "id='" + id + '\'' + ", balance=" + balance + '}'; } public DepositCard() { } public DepositCard(String id, Double balance) { this.id = id; this.balance = balance; } public String getId() { return id; } public void setId(String id) { this.id = id; } public Double getBalance() { return balance; } public void setBalance(Double balance) { this.balance = balance; } @Override public String toString() { return "DepositCard{" + "id='" + id + '\'' + ", balance=" + balance + '}'; } }