[string] Transform char array into String

I have search it again and search this question in baidu. Then I find 2 ways:

1,

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char ch[]={'a','b','c','d','e','f','g','\0'};_x000D_
string s=ch;_x000D_
cout<<s;
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Be aware to that '\0' is necessary for char array ch.

2,

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#include<iostream>_x000D_
#include<string>_x000D_
#include<strstream>_x000D_
using namespace std;_x000D_
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int main()_x000D_
{_x000D_
 char ch[]={'a','b','g','e','d','\0'};_x000D_
 strstream s;_x000D_
 s<<ch;_x000D_
 string str1;_x000D_
 s>>str1;_x000D_
 cout<<str1<<endl;_x000D_
 return 0;_x000D_
}
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In this way, you also need to add the '\0' at the end of char array.

Also, strstream.h file will be abandoned and be replaced by stringstream

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