string::push_back()

分类: IT文章 • 2022-03-21 23:58:57

string::push_back()

void push_back (char c);//在string的结尾放置一个字符

#include <iostream>
#include <string>

using namespace std;

int main()
{
string str("hello world");
str.push_back('!');
cout << str << endl;
return 0;
}