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c++/Others/A simple program demonstrating the use of pointers..cpp

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+A simple program demonstrating the use of pointers.
+
+#include <iostream>
+using namespace std;
+
+int main()
+{
+	// declare an integer and a float variable
+	int IntNum; 
+	float FloatNum;
+	
+	// declare integer and float pointers
+	int *pIntNum;
+	float *pFloatNum;
+	
+	// initialize the integer and float variables
+	IntNum = 10;
+	FloatNum = 12.34;
+	
+	// store addresses in pointers
+	pIntNum = &IntNum;
+	pFloatNum = &FloatNum;
+
+	// print out the original values
+        cout << "Before increment: " << endl;
+	cout << "\t IntNum is: " << IntNum << endl;
+	cout << "\t FloatNum is: " << FloatNum << endl;
+	
+	// note that we need to dereference a pointer in order
+	// to extract the value it contains.
+	cout << "\t pIntNum contains: " << *pIntNum << endl;
+	cout << "\t pFloatNum contains: " << *pFloatNum << endl;
+
+	// increment values of the integer and float variables 
+	(*pIntNum)++;  // dereference and then increment
+	(*pFloatNum)++;
+
+	// print out the values after increment
+        cout << "After increment: " << endl;
+	cout << "\t IntNum is: " << IntNum << endl;
+	cout << "\t FloatNum is: " << FloatNum << endl;
+
+	cout << "\t pIntNum contains: " << *pIntNum << endl;
+	cout << "\t pFloatNum contains: " << *pFloatNum << endl;
+
+	return 0;
+}