Answers for "how to use strings in c++"

c++ string manipulation

/*
OUTPUT
String value: Programming    {where applicable: -31.05}
-----------------------------------------------------------------------------
|Programming|            << [No manipulation]
|         Programming|   << [Width:20][align:string_default=right]
|         Programming|   << [Width:20][align:right]
|Programming         |   << [Width:20][align:left]
|-31.05              |   << [Width:20][align:int_default=left]
|-              31.05|   << [Width:20][align:internal]
|.........Programming|   << [Width:20][align:default][fill:.]
|+++++++++Programming|   << [Width:20][align:default][fill:+]
|=========Programming|   << [Width:20][align:default][fill:=]
-----------------------------------------------------------------------------
*/

string sString = "Programming"; // Length = 11 
//NOTE: always place the settings before the actual string in cout

// width
cout << "|" << sString << "|" << "tt << [No manipulation]" << endl;
cout << "|" << setw(20) << sString << "|" << "t << [Width:20][align:string_default=right]n";

// alignment
cout << "|" << setw(20) << right << sString << "|" << "t << [Width:20][align:right]n";
cout << "|" << setw(20) << left << sString << "|" << "t << [Width:20][align:left]n";
cout << "|" << setw(20) << -31.05 << "|" << "t << [Width:20][align:int_default=left]n";
cout << "|" << setw(20) << internal << -31.05 << "|" << "t << [Width:20][align:internal]n";

// fill (HAVE to use single quotes in the setfill argument definition)
cout << "|" << setw(20) << setfill('.') << sString << "|" << "t << [Width:20][align:default][fill:.]n";
cout << "|" << setw(20) << setfill('+') << sString << "|" << "t << [Width:20][align:default][fill:+]n";
cout << "|" << setw(20) << setfill('=') << sString << "|" << "t << [Width:20][align:default][fill:=]n";

c++ write string

#include <iostream>

int main() {
	std::cout << "Hello" << std::endl; //endl = end line/new line
    // or
    printf("hello");
    
}