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Question description

Running Applications

Install the application provided with the text. You should be installing Microsoft Visual C++ 2005 (Windows Vista users will also need to install Service Pack 1 before running the program).

You will also need to copy the zip file that provides the C++ libraries: Please read these Instructions on downloading the zip files to your hard drive.

As part of this exercise you will also use the sample code below to test the application, compile the code and communicate that your application was installed and working.

This is the sample code:

#include <iostream>
#include <string>
using namespace std;

int main()
  string str1("Alpha");
  string str2("Beta");
  string str3("Omega");
  string str4;

  // assign a string
  str4 = str1;
  cout << str1 << "\n" << str3 << "\n";

  // concatenate two strings
  str4 = str1 + str2;
  cout << str4 << "\n";

  // concatenate a string with a C-string
  str4 = str1 + " to " + str3;
  cout << str4 << "\n";

  // compare strings
  if(str3 > str1) cout << "str3 > str1\n";
  if(str3 == str1+str2)
  cout << "str3 == str1+str2\n";

  /* A string object can also be
  assigned a normal string. */
  str1 = "This is a null-terminated string.\n";
  cout << str1;

  // create a string object using another string object
  string str5(str1);
  cout << str5;

  // input a string
  cout << "Enter a string: ";
  cin >> str5;
  cout << str5;

return 0;

The code above is a simple program that will output some string statements and then ask for one input and close after you enter text and then hit enter.

Try to change the text once you are successful and rename your source file. Play around with the strings. Report your experience and your efforts to the discussion board

Tutor Answer

(Top Tutor) Daniel C.
School: Duke University
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