add: cpp-programming-questions

Author: webwithaman

.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+  "files.associations": {
+    "iostream": "cpp"
+  }
+}

10_this_pointer/00_questions.txt

@@ -8,8 +8,10 @@
 One of the functions should be setData() to set the properties of the object. Make
 sure the names of formal arguments are the same as names of instance variables.
 
-02. Use this pointer to get the address of calling object. define a class A and a member function that returns the address of calling object.
+02. Use this pointer to get the address of caller object. define a class A and a member function that returns the address of caller object.
 
 03. Define a class Complex with appropriate instance variables and member functions. Overload binary (+) to add two complex numbers and use this pointer to access members
 
-04. Create a class Rectangle and include a member function area and a function setDimensions to set width and height of the rectangle. Enable method chaining by returning the this pointer from the setDimensions function.
+04. Create a class Rectangle and include a member function area and a function setDimensions to set width and height of the rectangle. Enable method chaining by returning the this pointer from the setDimensions function.
+
+05. Use this pointer to get the reference of caller object. define a class A and a member function that returns the reference of caller object.

10_this_pointer/02_address_of_caller.exe

@@ -11,22 +11,20 @@ class A
 {
 
 public:
-    // // instance member function that returns the address of calling or current object
-    A *getAddress()
+    // // instance member function that returns the reference of caller or current object
+    A &getReference()
     {
-        return this; // this pointer points to the current object
+        return *this; // this pointer points to the current object
     }
 };
 
 // // Main Function Start
 int main()
 {
-    A a1, *ptr;
+    A a1;
 
-    // // get address of a1
-    ptr = a1.getAddress();
-
-    cout << "\nAddress of Object (a1) => " << ptr;
+    // // get reference of a1
+    A refOfA1 = a1.getReference();
 
     cout << endl; // Add new line
     cin.ignore();