Read char array from keyboard, get its length and concatenate two strings : cin « Development « C++ Tutorial

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C++ Tutorial » Development » cin

5.1.13.Read char array from keyboard, get its length and concatenate two strings

#include <iostream>

#include <string.h>



using std::cout;       

using std::cin;



int main() 

{

  char firststring[40],secondstring[40],thirdstring[40];

  int size;



  cout << "Please enter a word \n";

  cin.getline(firststring,40); 



  cout << "Please enter another word  \n";

  cin.getline(secondstring,40);

  size = strlen(firststring);



 

  strcat(firststring,secondstring);



  cout << "The length of the first string you entered is" << size << "\n";

  cout << "Both strings you entered are " << thirdstring<< "\n";

  return 0;

}

Please enter a word
word
Please enter another word
word
The length of the first string you entered is4
Both strings you entered are  ?

5.1.cin
	5.1.1.	Read int value from keyboard
	5.1.2.	cin Handles Different Data Types
	5.1.3.	Use get() to read a string that contains spaces
	5.1.4.	Use the extraction operator >> with cin.get( ) to process an entire string.
	5.1.5.	cin with strings (cin.getline)
	5.1.6.	cin and atoi, atof functions
	5.1.7.	Using peek() and putback()
	5.1.8.	Concatenate put()
	5.1.9.	Testing error states.
	5.1.10.	Unformatted I/O using cin.read, cin.gcount and cout.write
	5.1.11.	Contrasting input of a string via cin and cin.get
	5.1.12.	Demonstrating member function width
	5.1.13.	Read char array from keyboard, get its length and concatenate two strings
	5.1.14.	Read a character from keyboard
	5.1.15.	Copy all standard input to standard output
	5.1.16.	Manipulator that skips until end-of-line
	5.1.17.	avoids buffer overflow with cin.width
	5.1.18.	Extends std::streambuf to create data buffer
	5.1.19.	Using member functions get, put and eof.
	5.1.20.	Contrasting input of a string with cin and cin.get.
	5.1.21.	Unformatted I/O with read, gcount and write.
	5.1.22.	Character input with member function getline.
	5.1.23.	Is it a bad input

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