package com.study.demo2; public class Main { public static void main(String[] args) { Account acc1 = new Account("A001", "张三", 1000); Account acc2 = new Account("A002", "李四", 500); acc1.deposit(200); acc1.withdraw(100); acc1.transfer(acc2, 300); System.out.println("账户1余额:" + acc1.getBalance()); System.out.println("账户2余额:" + acc2.getBalance()); } }