Stroustrup designedC++ to be a better C. Most of C is a subset of C++, and so most C programsare also C++ programs. (The reverse is not true; many C++ programs aredefinitely not C programs.) Unlike C, C++ has facilities to do object-orientedprogramming, which is a recently developed and very powerful programmingtechnique, described earlier in this chapter.A Sample C++ ProgramDisplay 1.8 contains a