Shulou(Shulou.com)05/31 Report--

This article mainly explains "what is the basic concept of string container in C++". Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Next, let the editor take you to learn "what is the basic concept of string container in C++".

Basic concepts of string

Essence:

String is a C++-style string, while string is essentially a class

The difference between string and char*:

Char* is a pointer

String is a class that encapsulates the char*, management string inside the class and is a char*-type container.

Features:

Many member methods are encapsulated inside the string class

For example: find find, copy copy, delete delete, replace replace, insert insert

String manages the memory allocated by char*. You don't have to worry about copying out of bounds and values out of bounds, but are responsible for it within the class.

The constructor void test01 () {/ / default of the string constructor # include using namespace std;#include//string constructs string S1; / / string (const char* s); initializes const char* str = "hello,world" with the string s; string S2 (str); cout

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.