16. C++ program to concatenate strings.

# include < iostream>
# include < string >
int main()

{
char str1[50], str2 [35];
cout < < “Enter string str1;”;
cin >> str1;
cout < < “Enter string str2:”;
cin >> str2;
strcat(str1,str2);
cout < < “strcat (str1, str2 ) : “< < str1;
return 0;
}