Quick C++ Question.

[Zombie]

I need to dynamically create an Array of strings(not char*). How do I do it? I don't think

string* string_ptr = NULL;

string_prt = new string[10];

will work.


thanks.

 

[Descartes]

Google answers.

 

[Zombie]

that link is talking about char*, I am looking for string.

 

[Barnaby W. Füi]

A pointer is a pointer. Your code looks fine; remember to delete[] the array though.

But normally you should probably not be using raw arrays very often. Try using a vector instead.

 

[Descartes]

Originally posted by: Zombie
that link is talking about char*, I am looking for string.

The article explains dynamic memory without reference to type.

 

[Barnaby W. Füi]

Example using a vector of strings:

vector<string> ten_empty_strings(10, "");

Generally you should avoid arrays, pointers, and manual memory management whenever possible. Though I think it's a good thing to learn and understand them (learn C too! ) -- they are a PITA when actually working on a project.

 

[Zombie]

can you dynamically create vectors ?

Could that 10 be replaced by a variable instead? I have never used vector and don't have a text handy.

thanks.


well nevermind, found an old reference book. thanks.

 

[HJB417]

it wasn't until I started using java and .net that I relized the importance of the stl in c++

 

[HJB417]

it wasn't until I started using java and .net that I relized the importance of the stl in c++

 

[Barnaby W. Füi]

Yes, the 10 is just an argument to the constructor; there's no reason it would need to be known at compile time.

Perhaps try reading "thinking in c++" (available free online). It's essential to learn the stl, instead of learning some bastardized mixture of c and c++ - if you're going to learn c++, learn c++.