ch2-Strings

Chapter_2     ch2-Streams                                                                             ch2-Files 

Contents:

HelloStrings.cpp     HeYou.cpp

HelloStrings.cpp     TCP1, p. 109     (String operations)     download

// The basics of the Standard C++ string class

#include <string>

using std::string;

#include <iostream>

using std::cout;

int main()

{

  string s1, s2; // Empty strings

  string s3 = "Hello, world!"; // Initialized

  string s4("I am"); // Also initialized

  s2 = "today"; // Assigning to a string

  s1 = s3 + " " + s4; // Combining strings

  s1 += " 8 "; // Appending to a string

  cout << s1 + s2 + "!\n";

}

/*

g++ HelloStrings.cpp -o HelloStrings

./HelloStrings

Hello, world! I am 8 today!

*/

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Note:  Program HeYou.cpp below is another solution of Exercise_2-1.

HeYou.cpp     (Hey, you)     download

// Saying Hello with C++

#include <iostream> // Stream declarations

#include <string>

using std::string;

using std::cout;

using std::cin;

using std::endl;

int main()

{

  int age;

  string first, last;

  cout << "First name: ";

  cin >> first;

  cout << "Last name: ";

  cin >> last;

  cout << "Age: ";

  cin >> age;

  cout << "Hello, world! My name is " << first << " " << last

       << ". I am " << age << " today!" << endl;

}

/*

g++ HeYou.cpp -o HeYou

./HeYou

First name: John

Last name: Doe

Age: 8

Hello, world! My name is John Doe. I am 8 today!

*/

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