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--- cplusplus:selection_examples [2013/02/03 04:57] – mithat
+++ cplusplus:selection_examples [2013/02/08 02:46] – [validating input] mithat
@@ Line 85: / Line 85: @@
     cin >> grade;    // read an integer
-    if (grade >= 0 && grade <=100)
+    if (grade >= 0 && grade <= 100)
     {
         cout << "The student received a letter grade of ";
@@ Line 104: / Line 104: @@
     return 0;
+}</file>
+===== comparing characters =====
+<file c++ comparing_characters.cpp>/* Comparing characters */
+#include <iostream>
+using namespace std;
+int main()
+{
+   char ch;
+   // Get a character from the user.
+   cout << "Enter a letter: ";
+   ch = cin.get();
+   // Did user enter a letter?
+   if (ch >= 'a' && ch <= 'z')
+      cout << "You entered a character between 'a' and 'z'." << endl;
+   else
+      cout << "You entered something else." << endl;
+   return 0;
 }</file>