用JAVA开发的随机访问文件

一个简单的　jsp购物车源代码，适合初学者学习用，　初学者不要错过哦。-a simple jsp Cart source code, for beginners to learn from, oh, beginners should not miss.

用这个代码可以完成简单的树结构编写，主要是用JS和JSP完成的。可以应用与网站和小型系统。-use this code can complete a simple tree structure to prepare, it is mainly used JS and JSP completed. Can be used with the site and small systems.

致远信息管理系统

可以话空心和实心的巨星，圆以及画板应该有的工能都有，还有调色板可以设置画板的前后背景色。-err

一个实用的下拉菜单-a practical drop-down menu

使用 java 实现 画简单的 箭头-DrawArrow

LyBBS『凌云论坛』-LyBBS Lingyun Forum]

设计一个软件的启动过程界面，有软件的名称、版本信息等，有软件公司的主标识、公司名名称，附带有对软件使用者的问候。用动画实现程序启动的过程，彩色进度条表示出程序启动的百分比。模仿微软公司的四色旗帜标志，富有动感，色彩鲜艳。可将图形用于软件的启动过程中，增加软件的人性化，是软件界面更美观。-design of a software startup process interface, the name of the software, version information, software companies as the main logo, company name names, a pair of fringe software users greetings. Using animation to achieve startup process, the progress of color expressed as a percentage of commencement of proceedings. Copying Microsoft"s four-color banner signs, exciting and colorful. Graphics can be used to start the process of the software, add software user-interface software is more attractive.

在作业1的Employee和EmployeeDemo两个类基础上修改 1，重写Employee类的toString方法，返回Employee类的相关信息的字符串形式 重写Employee类的equals方法，如果两个Employee实例的名字和所属部门相同，返回true； 并在EmployeeDemo类里面验证上述两个方法 2，定义Clerk、Salesman、Engineer三个类，分别继承自Employee 为Salesman增加一个年销售额属性 为Engineer增加一个年消化人月数属性 3，将下面的描述反映到程序里 普通员工年终奖金分配方案为月薪×2 Salesman：销售额×2％+月薪×1.8 Engineer：年消化人月数×300+月薪×2.5 Clerk：月薪×2.5-1 of the Employee in the operation and EmployeeDemo two classes based on the modification 1, rewrite the Employee class toString method to return to Employee class-related information to rewrite the string form of Employee class equals method, if the two examples of Employee s name and their the same sector, return true and EmployeeDemo the above-mentioned two types of authentication methods inside 2, the definition of Clerk, Salesman, Engineer of three categories, respectively, inherited from the Employee as a Salesman for an additional annual sales for an additional attribute for the Engineer who was the number

统计字符数组中字母，数字，符号的出现个数 char[] c = { 2 , c , $ , 4 , 7 , Z , j , ~ , p , c } -Statistics character array of letters, numbers, symbols, the emergence of the number of char [] c = (2, c, $, 4, 7, Z, j, ~, p, c)