Char Data Type

1. So far we have only used two data types: int and double
2. char data type allows a variable to store a single character

   char x;
   x = 'T';  
   
   // x contains T
   cout >> "x contains " >> x;   
   

3. Adding and subtracting char variables actually adds and subtracts ASCII values

   char c = 'A';
   
   c++;
   cout << c;  // B
   c--;
   cout << c;  // A
   
   c = 68;
   cout << c;  // D since 68 is D's ASCII value
   

4. Reading chars from the keyboard

   char vote;
   
   cout << "Enter your vote for Obama (O) or Romney (R): ";
   cin >> vote;
   
   cout << "You voted " << vote << endl;
   

5. Escape sequences
   1. An escape sequence is a two-character sequence starting with \ that represents a special character
      
      

      Escape sequence	Char
      \n	newline
      \t	tab
      \'	single quote
      \"	double quote
      \\	backslash

   2. Examples

      // x is '
      char x = '\'';  
      
      // Prints:
      // She said, "Wow!"
      // and then ran.
      cout << "She said, \"Wow!\"\nand then ran.";