类定义 class Circle double radius 1.0; double findArea() return radius*radius*3.14159; ©2006计算机系杨厚群 All rights lefts reserved. ©2006 计算机系 杨厚群 All rights & lefts reserved. 类定义 class Circle { double radius = 1.0; double findArea() { return radius*radius*3.14159; } }