string in c++

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string used to store the value like name , address etc.

string variable is declared as string name=”john”;.

C++ program to take input in string variable and print it back

#include<iostream>
using namespace std; 
int main()
{
 string course;
 cout<<"enter the course you want to learn";
 cin>>course;
 cout<<"You Entered course= "<<course;
 return 0;
}

Important Functions on String in C++

1) length(): It gives the length of the given string.

string name="Sharp Tutorial";
cout<<name.length();

Output: 14

2) concatenate two string: If we add two string it concatenate the strings into new resultant string.

string name1="Sharp";
string name2="Tutorial"
string name=name1+name2;
cout<<"Full name="name;

Output: Full name=SharpTutorial [no space is added between these two strings]

3) string at the given index: By using [index] we can get the string element at given index.

string name="Sharp";
cout<<name[1];

Output: h [ in the given string at index 1 ‘h’ is given.

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string in c++

C++ program to take input in string variable and print it back

Important Functions on String in C++

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