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Diffstat (limited to 'Bachelor/Prog1/examples/ch06/Fig06_04/Fig06_04.cpp')
| -rw-r--r-- | Bachelor/Prog1/examples/ch06/Fig06_04/Fig06_04.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/Bachelor/Prog1/examples/ch06/Fig06_04/Fig06_04.cpp b/Bachelor/Prog1/examples/ch06/Fig06_04/Fig06_04.cpp new file mode 100644 index 0000000..68c1be3 --- /dev/null +++ b/Bachelor/Prog1/examples/ch06/Fig06_04/Fig06_04.cpp @@ -0,0 +1,58 @@ +// Fig. 6.4: fig06_04.cpp
+// Demonstrating the class member access operators . and ->
+//
+// CAUTION: IN FUTURE EXAMPLES WE AVOID PUBLIC DATA!
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+// class Count definition
+class Count {
+
+public:
+ int x;
+
+ void print()
+ {
+ cout << x << endl;
+ }
+
+}; // end class Count
+
+int main()
+{
+ Count counter; // create counter object
+ Count *counterPtr = &counter; // create pointer to counter
+ Count &counterRef = counter; // create reference to counter
+
+ cout << "Assign 1 to x and print using the object's name: ";
+ counter.x = 1; // assign 1 to data member x
+ counter.print(); // call member function print
+
+ cout << "Assign 2 to x and print using a reference: ";
+ counterRef.x = 2; // assign 2 to data member x
+ counterRef.print(); // call member function print
+
+ cout << "Assign 3 to x and print using a pointer: ";
+ counterPtr->x = 3; // assign 3 to data member x
+ counterPtr->print(); // call member function print
+
+ return 0;
+
+} // end main
+
+/**************************************************************************
+ * (C) Copyright 1992-2002 by Deitel & Associates, Inc. and Prentice *
+ * Hall. All Rights Reserved. *
+ * *
+ * DISCLAIMER: The authors and publisher of this book have used their *
+ * best efforts in preparing the book. These efforts include the *
+ * development, research, and testing of the theories and programs *
+ * to determine their effectiveness. The authors and publisher make *
+ * no warranty of any kind, expressed or implied, with regard to these *
+ * programs or to the documentation contained in these books. The authors *
+ * and publisher shall not be liable in any event for incidental or *
+ * consequential damages in connection with, or arising out of, the *
+ * furnishing, performance, or use of these programs. *
+ *************************************************************************/
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