用JAVA中的多线程示例银行取款问题。有账户、银行卡、存折三个类，当用户 取款金额超过银行卡余额时则显示“余额不足”和银行卡所剩金额多少。 显示信 息：您所取金额为1000元！ 对不起，余额不足！ 余额为200 元！ 余额为200元！-Used in multi-threaded JAVA sample bank teller problem. Have an account, bank cards, passbooks three classes, when a

本程序是关于java线程方面的，程序是利用数学算法将自定义的一个球类在面板中进行无限的运动，直到用户终止为止。-This program is about java threading, the program is to use mathematical algorithms to customize a ball in the panel for unlimited movement, until the user terminated.

A system menu written in the JAVA program that can be dynamically generated user menu