4GuessNumber

一个简单的计算器实现，带小数的加减乘除。使用Java AWT/Swing实现(Implement a simple calculator, decimal addition and subtraction)

说明：  java编写的eclipse下的编写的安卓平台下益智类游戏——《旋转积木》(prepared under the preparation of java eclipse Andrews platform puzzle game- rotating blocks)

Java 实现的扫雷小程序，有可爱的图片贴图。(java mine sweeper)

源码和依赖的jar包都在压缩文件里 test目录下有行情的demo，交易部分的API还没完全做好，可以连上前置和登录 这个java接口算是预览版吧(Source code and dependent jar packages are all demo in the test directory of the compressed file. The API of the transaction part is not yet complete. You can connect the pre-and login java interface as a preview version.)

关于JAVA的基础编程学习，清华大学课件，可以下载学习(JAVA programming on the basis of learning, Tsinghua University courseware, you can download of learning)

jsp中用session实现购物车功能,简易购物车(session to achieve Shopping Cart)

该源码实现电子医嘱管理系统，可以查询、增加、修改、删除病人信息，科室信息，就诊记录信息等。(The source code for electronic prescription management system that can query, add, modify, delete patient information, department information, medical records and other information.)

这是一个进程同步问题的例子，互相学习一下(This is an example of the process of synchronization problem, learn from each other about)

编写一个复数类，可以进行复数加法和减法运算。编写一个包含main方法的类（应用程序）测试该复数类。要求该复数类至少包含一个无参的构造方法和一个带参的构造方法；数据成员包括复数的实部和虚部，为double类型；包括两个方法，分别实现复数的加法和减法运算。(Write a complex class, which can add and subtract complex numbers. Write a class (application) containing the main method to test the complex class. The complex class is required to include at least one parametric construction method and one parametric construction method; the data members include the real and imaginary parts of the complex, which are of double type; and two methods are included to realize the addition and subtraction operations of the complex respectively.)

主要了解深入理解Java虚拟机，JVM高级特性与最佳实践 软件的性能，都是从JVM 开始。很重要。(The further understanding of Java virtual machine: JVM advanced features and best practice of software performance is from JVM began. Very important. )