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CPP All : Mult-Level Inheritance


Exam Papers Problems

02D #5762

( As In Exam - CBSE12A-2017 )

Answer the questions (i) to (iv) based on the following:

class First

Answer the questions (i) to (iv) based on the following:

class First
{
  int X1;
protected:
  float X2;
public:
  First();
  void Enter1(); void Display1();
};
class Second : private First
{
  int Y1;
protected:
  float Y2;
public:
  Second();
  void Enter2();
  void Display();
};
class Third : public Second
{
  int Z1;
public:
  Third();
  void Enter3();
  void Display();
};
void main()
{
  Third T;           //Statement 1
__________________;  //Statement 2
}

(i) Which type of Inheritance out of the following is illustrated in the above example? Single Level Inheritance, Multilevel Inheritance, Multiple Inheritance

(ii) Write the names of all the member functions, which are directly accessible by the object T of class Third as declared in main() function.

(iii) Write Statement 2 to call function Display() of class Second from the object T of class Third.

(iv) What will be the order of execution of the constructors, when the object T of class Third is declared inside main()?

02D #5866

( As In Exam - CBSE12D-2015 )

Answer the question (i) to (iv) based on the following:

class Exteri

Answer the question (i) to (iv) based on the following:

class Exterior
{
  int OrderId;
  char Address[20];
protected:
  float Advance;
  public:
  Exterior();
  void Book(); 
  void View();
};
class Paint:public Exterior
{
  int WallArea,ColorCode;
protected:
  char Type;
public:
  Paint() ;
  void PBook();
  void PView();
};
class Bill:public Paint
{
  float Charges;
  void Calculate();
public:
  Bill() ;
  void Billing() ;
  void Print() ;
};

(i) Which type of Inheritance out of the following is illustrated in the above example?
-Single Level Inheritance
-Multi Level Inheritance
-Multiple Inheritance

(ii) Write the names of all the data members, which are directly accessible from the member functions of class Paint.

(iii) Write the names of all the member functions, which are directly accessible from an object of class Bill.

(iv) What will be the order of execution of the constructors, when an object of class Bill is declared?

02D-2015 #5953

( As In Exam - CBSE12A-2015 )

Answer the questions (i) to (iv) based on the following:

class Inter

Answer the questions (i) to (iv) based on the following:

class Interior
{
  int OrderId;
  char Address[20];
protected:
  float Advance;
public:
  Interior();
  void Book(); void View();
};
class Painting:public Interior
{
  int WallArea,ColorCode;
protected:
  char Type;
public:
  Painting();
  void PBook();
  void PView();
};
class Billing:public Painting
{
  float Charges;
  void Calculate();
public:
  Billing();
  void Bill();
  void BillPrint();
};

(i) Which type of Inheritance out of the following is illustrated in the above example?
– Single Level Inheritance
– Multi Level Inheritance
– Multiple Inheritance

(ii) Write the names of all the data members, which are directly accessible from the member functions of class Painting.

(iii) Write the names of all the member functions, which are directly accessible from an object of class Billing.

(iv) What will be the order of execution of the constructors, when an object of class Billing is declared?

02D #6030

( As In Exam - CBSE12D-2017 )

Answer the questions (i) to (iv) based on the following:

class One

Answer the questions (i) to (iv) based on the following:

class One
{
  int A1;
protected:
  float A2;
public:
  One();
  void Get1(); void Show1();
};
class Two : private One
{
  int B1;
protected:
  float B2;
public:
  Two();
  void Get2();
  void Show();
};
class Three : public Two
{
  int C1;
public:
  Three();
  void Get3();
  void Show();
};
void main()
{
  Three T;     //Statement 1
  __________________;  //Statement 2
}

(i) Which type of Inheritance out of the following is illustrated in the above example?
-Single Level Inheritance, Multilevel Inheritance, Multiple Inheritance

(ii) Write the names of all the member functions, which are directly accessible by the object T of class Three as declared in main() function.

(iii) Write Statement 2 to call function Show() of class Two from the object T of class Three.

(iv) What will be the order of execution of the constructors, when the object T of class Three is declared inside main()?



Exam Paper Problems:4 
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Introductory Sessions Beginning to Program Tokens Keyword and Identifiers Data Types Variables and Constants Operators Simple User Input Building Expressions and Formulas Simple Real World Problems Simple If and If Else Multiple-Nested-Ladder of If Else Switch case selection Simple Loops Tricks in Loops - break continue scope Loop Applications - Handling numerals Series printing loops Nested Loops Pattern printing loops Number Varieties and Crunches String Handling (Null Terminated) Strings - string class type Functions (Built-in) Functions - user defined Functions Reference Passing/Returning Arrays Concepts and 1-D Arrays Array Data Management Two dimensional arrays and Matrices Structures Basics Structures passing/returning 2D Array Memory Addressing Display Using IO Manipulation Display Using C Formatting Tricks User Defined Data Types Enumerated Types Preprocessor Directives And Macros Exception Handling Programming Paradigms and OOPs Advantages Abstraction and Encapsulation Polymorphism Inheritance Function Overloading Concepts Function Overloading Varieties Function Overloading Special Cases Defining Classes Creating and Using Class Objects Class Members Accessibility Class Function Types Inline Functions Constant Functions Nesting of Functions Class Members Scope Resolution Static Members in a Class Array of Objects Constructor Concepts Default Constructor Parameterized Constructor Copy Constructor Constructor Overloading Destructors Inheritance Fundamentals Public Derivations Private and Protected Derivations Multiple Inheritance Mult-Level Inheritance Class Nesting Data File Concepts Handling Text Files Handling Binary Files Pointer Concepts Pointer and Arrays Pointers and Functions Object Pointers This Pointer Linked Lists Stacks Queues


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