C++ vector 容器淺析[02] ~ 清除容器中所以數據
C++ vector 容器淺析[02] ~ 清除容器中所以數據
資料來源: https://www.runoob.com/w3cnote/cpp-vector-container-analysis.html
純C++線上編譯測試: https://www.tutorialspoint.com/compile_cpp_online.php
純C 線上編譯測試: https://www.tutorialspoint.com/compile_c_online.php
#include <string>
#include <vector>
#include <iostream>
using namespace std;
int main()
{
vector<int>obj;
for(int i=0;i<10;i++)//push_back(elem)在数组最后添加数据
{
obj.push_back(i);
}
cout << "obj.size:" << obj.size() << endl;
cout << "obj print:" <<endl;
for(int i=0;i<obj.size();i++)
{
cout<<obj[i]<<"," ;
}
cout << endl;
obj.clear();//清除容器中所以数据
cout << endl;
cout << "obj.clear()"<< endl;
cout << "obj.size:" << obj.size() << endl;
cout << "obj print:" <<endl;
for(int i=0;i<obj.size();i++)
{
cout<<obj[i]<<endl;
}
return 0;
}