};</pre>If you intend to use forward declarations for a class (especially a template) in a lot of places, it might be wise to put it in a separate header file and include that.

Write a complete C++ class to represent a circle in two-dimensional space. Your class should consist of a header (circle.h) and an implementation (circle.cpp) file as described below. The circle class ...

A C++ Example. For things like C++ classes — or anything, ... Exactly. C/CPP files should include their own header files first and you should enable those warnings you said.

Figure 2 shows the class diagram. [Click on image for larger view.] Figure 2: Four Implementations of the iFileTransformer Interface Now, let's look at the implementation of each Transformer. CRT C ...