C++中类与对象的声明与使用

1、定义一个关于长方形的类，编制求长方形周长和面积的程序：求出长135、宽86的长方形的周长和面积，求出长62.2、宽27.5的长方形的周长和面积。



2、设计一个宠物猫的类，猫的属性数据包括: 名字、性别、年龄、体重、颜色，实现对这些数据的修改和显示，编写主程序测试猫的管理。-Statement with the use of classes and objects in C++ 1, define a class on rectangular, rectangular perimeter and area seeking preparation procedure: Find the length 135, width 86 rectangular perimeter and area, find the length 62.2, width 27.5 rectangular perimeter and area. 2, the design of a class pet cat, cat attribute data including: name, gender, age, weight, color, achieve modification and display of these data, write the main program to test the cat' s management.