8_8.cpp

c++书籍的源代码

//8_8.cpp
#include<iostream.h>
#include"str.h"
 int main()
{
 str s1("abcde"),s2("ABCDE"),s3;
 cout<<"s1="<<s1<<endl;
 cout<<"s2="<<s2<<endl;
 if(s1==s2)
  cout<<"s1与s2完全相同"<<endl;
 else
  cout<<"s1与s2不相同"<<endl;
 s3=s1+s2;
 cout<<"s3="<<s3<<endl;
 cout<<s3[6]<<endl;
 return(0);
}