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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.)

nehe教程源码，非常好的学习资料，是GLSL的，java+opengl.(nehe tutorial source code, a very good learning materials, the GLSL java+opengl.)

Think in Java该书曾获1995 年SoftwareDevelopment Jolt Award 最佳书 籍大奖。作为一名有20 经验的编程专家，曾教授过世界上许多地区的人进行对象编程。最开始涉及的领域是 C++，现在也进军Java。他是C++标准协会有表决权的成员之一，曾就面向对象程序设计这一主题写过其他5 本书，发表过150 多篇文章，并是多家计算机杂志的专栏作家，其中包括《Web Techniques》的Java 专栏。 曾出席过C++和Java 的“软件开发者会议”，并分获“应用物理”与“计算机工程”的学士和硕士学位。(Think in Java)

java编程的的详细图片,用于学习java(Detailed pictures of Java programming, used to learn java)

FileSystemn API to acces host file system from within JavaScript applications

Un Block Me solve with heuristics and BFS search.

java 设计模式chm版，内容丰富。学习好(chm version of java design patterns, rich in content.)

对政协会议的召开传统媒体有报道410篇，网络互动社区对两会的议论非(CPPCC session was held on the traditional media have reported that 410, the network' s interactive community discussion on the two non-)

Transaction Service extends Service implements Observer Source Code for Andriod.

一个小游戏，关于生命算法的，设置初始值然后进行生命周期的迭代(A small game, about life algorithm, set the initial value and then iterate through the life cycle)