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Practice how to convert integer or double type to string type in C++
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#include <iostream> #include <string> #include <sstream> using namespace std; // use std namespace to avoid std:: before cout int main() { // Convert integer to string int integerVariable = 1225; stringstream intStream; intStream << integerVariable; string convertedIntegerToString = intStream.str();//str() function is used cout << convertedIntegerToString << endl; // Convert string (only numbers) to integer string stringVariable = "1225"; int convertedStringToInteger = stoi(stringVariable);//stoi() function is used to convert string to int cout << convertedStringToInteger << endl; // Convert double to string double decimalVariable = 123.45; stringstream doubleStream; doubleStream << decimalVariable; string convertedDoubleToString = doubleStream.str(); cout << convertedDoubleToString << endl; return 0; }
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