设计rational类，用以实现与有理数之间的加减乘除运算-design rational category, and for the realization of rational arithmetic operations

11.1 Java源文件范例(Java Source File Example) 下面的例子，展示了如何合理布局一个包含单一公共类的Java源程序。接口的布局与其相似。更多信息参见"类和接口声明"以及"文挡注释"。 -11.1 Java Source File Example (Java Source File Example) The following example shows how a rational distribution contains a single public

一个实现了有理数功能的类,操作符已重载,很好-An implementation of a rational function class, operators have been overloaded, very good

A test program, how to use the software testing tools of rational company software coverage testing,