C++语言程序设计题典

				#include 
				template 
				class Sample
				{
					T n;
				public:
					Sample() {}
					Sample(T i) { n=i; }
					Sample & operator+(const Sample &);
					void disp() { cout 				};
				template 
				Sample & Sample::operator+(const Sample &s)
				{
					static Sample temp;
					temp.n=n+s.n;
					return temp;
				}
				void main()
				{
					Sample s1(10),s2(20),s3;
					s3=s1+s2;
					s3.disp();
				}