... Assigning string Objects Input/Output with string Objects Finding string Objects Modifying string Objects Comparing string Objects Accessing Characters in string Objects Other string Functions ... Exercises CHAPTER 6—OBJECTS AND CLASSES A Simple Class Classes and Objects Declaring the Class Using the Class Calling Member Functions C+ + Objects As Physical Objects Widget Parts as Objects Circles ... Constructing the CRC Cards Classes Responsibilities Collaborators The Tenant CRC Card The Expense CRC Card The Rent Input Screen CRC card The Rent Record CRC Card The Expense Input Screen CRC...
... Standard C+ + string Class 302 Defining and Assigning string Objects 302 Input/Output with string Objects 304 Finding string Objects 3 05 Modifying string Objects 306 Comparing ... Pointers and C- Type Strings 452 Pointers to String Constants 452 Strings as Function Arguments 453 xi xii OBJECT- ORIENTEDPROGRAMMINGIN C+ +, FOURTH EDITON Copying a String ... Returning Values 54 8 Revised STRIMEM Program 55 0 Dynamic Type Information 55 3 Checking the Type of a Class with dynamic_cast 55 3 Changing Pointer Types with dynamic_cast...
... approaches to getting source code to execute on a particular machine… compilation into machine-language object code direct execution of source code by ‘interpreter’ program compilation into intermediate ... being created, while allowing current parts of the system to interact with new object without concern for the speciic properties of the new objects 1 .5 What Exactly is ObjectOriented Programming? ... Programming Paradigms 3) Why use the ObjectOriented Paradigm? 4) ObjectOriented Principles 5) What Exactly is ObjectOriented Programming? 6) he Beneits of the ObjectOrientedProgramming Approach...
... Standard C+ + string Class 302 Defining and Assigning string Objects 302 Input/Output with string Objects 304 Finding string Objects 3 05 Modifying string Objects 306 Comparing ... Pointers and C- Type Strings 452 Pointers to String Constants 452 Strings as Function Arguments 453 xi xii OBJECT- ORIENTEDPROGRAMMINGIN C+ +, FOURTH EDITON Copying a String ... Returning Values 54 8 Revised STRIMEM Program 55 0 Dynamic Type Information 55 3 Checking the Type of a Class with dynamic_cast 55 3 Changing Pointer Types with dynamic_cast...
... representations could look as follows in C+ +: struct Circle : Point { int rad; }; // inheritance struct Circle2 { struct Point point; int rad; }; // aggregate In C+ + we not necessarily have to access objects ... management: #include #include #include #include "Circle.h" "Circle.r" "new.h" "new.r" static void Circle_draw (const void * _self) { const struct Circle * self = _self; printf("circle at %d,%d ... a pointer to an object, dynamic linkage lets us find type-specific functions: every object starts with a descriptor which contains pointers to functions applicable to the objectIn particular,...
... approaches to getting source code to execute on a particular machine… compilation into machine-language object code direct execution of source code by ‘interpreter’ program compilation into intermediate ... being created, while allowing current parts of the system to interact with new object without concern for the speciic properties of the new objects 1 .5 What Exactly is ObjectOriented Programming? ... Programming Paradigms 3) Why use the ObjectOriented Paradigm? 4) ObjectOriented Principles 5) What Exactly is ObjectOriented Programming? 6) he Beneits of the ObjectOrientedProgramming Approach...
... Function Works with Class Objects 54 0 54 0 54 1 CHAPTER SUMMARY 54 4 KEY TERMS 54 6 REVIEW QUESTIONS 54 7 EXERCISES 55 0 CASE PROJECT 55 3 CASE PROJECT 55 4 UP FOR DISCUSSION 55 5 CHAPTER 12 HANDLING EXCEPTIONS ... Function 57 6 58 0 USING EXCEPTION SPECIFICATIONS Exception Specifications in ANSI C+ + How Visual C+ + Departs from the ANSI Standard 58 2 58 2 58 3 UNWINDING THE STACK 58 3 RETHROWING EXCEPTIONS 58 9 xiii CONTENTS ... skill in creating scientific simulations and games xvii PREFACE APPROACH Object- OrientedProgramming Using C+ + teaches object- oriented concepts using C+ + as a tool to demonstrate these concepts...
... Session Objectives s Discuss the following: • The Object- Oriented approach • Drawbacks of traditional programming • Object- Orientedprogramming s Discuss basic Object- Oriented concepts such as: • Objects ... ObjectOriented Two objects with different values object_ data object_ data 200 object1 Objects of the class exampleclass Specifications for exampleclass objects object_ data 350 object2 exampleclass ... ObjectOriented Defining Objects s exampleclass object1 ,object2 ; defines two objects, object1 and object2 , of class exampleclass s The definition actually creates objects that can be used by the...
... placed in memory only once - when they are defined in the class specifier Data is therefore placed in memory when each object is defined, so there is a set for each objectObjectOriented Objects, ... public: race_cars(){count++;} //constructor to increment count ~race_cars(){count ;} //destructor to decrement count }; int race_cars::count; The static data member should be created and initialised ... ObjectOriented Pointers to objects Pointers can point to objects as well as to simple data types Declaring a pointer to an object of a particular class is the same as declaring a pointer to a variable...
... execution time in short functions use inline functions An inline function is written just like a normal function in the source file but compiles into inline code instead of into a function inline ... to it ObjectOriented Controversy about friend functions Friend functions increase flexibility inprogramming but they are against the principles of object- orientedprogramming • Breach of integrity ... second object2 ; object1 .display(); //no function overloading takes place object2 .display(); } • The scope is strictly confined to the classes in which they are declared ObjectOriented Passing arguments...
... (Contd.) objectA = objectB; objectA: object of destination class objectB: object of source class s Conversion of objects of two different classes can be achieved with: • One-argument constructor defined ... knows nothing about converting userdefined types such as objects ObjectOrientedProgramming with C+ +/ Session 4/ 36 of 49 Example class Converter{ private: int feet; float inches; public: Converter() ... Operator Describe Copy Constructors ObjectOrientedProgramming with C+ +/ Session 4/ of 49 Session Objectives (Contd.) s Describe conversion functions which help in conversion • from Basic types...
... Destructors under inheritance Describe how to call Member Functions of the Base Class and Derived Class Describe Container Classes ObjectOriented Single Inheritance To maintain and reuse class objects ... Types of Inheritance (contd.) Functions in the derived classes can access protected and public members in the base class Objects of the derived classes outside the class or in main() cannot access ... Session Objectives Describe Single Inheritance Describe Base class and Derived class Access Base class members and use pointers in classes Describe types of inheritance Describe Constructors and...
... • Constructors and Destructors s Use Pointers to Objects to access Member Functions ObjectOrientedProgramming with C+ + / Session / of 44 Session Objectives(Contd.) s Describe Virtual functions ... inheritance can combine the behaviour of many base classes in a single class A multiple inheritance hierarchy represents a combination of its base classes ObjectOrientedProgramming with C+ + / ... by a comma • The rules of inheritance and access for multiple inheritance are the same as for single inheritance ObjectOrientedProgramming with C+ + / Session / of 44 Constructors class Teacher{...
... reading Object- OrientedProgramming Concepts http://java.sun.com/docs/books/tutorial/java/concepts/index.html Object and Classes in Java http://java.sun.com/docs/books/tutorial/java/javaOO/index.html ... this inside a constructor, you can use this to invoke another constructor in the same class This is called explicit constructor invocation It MUST be the first statement in the constructor body ... SampleClass.java:4: cannot find symbol Symbol : class MenuEvent Location: class SampleClass MenuEvent c; ^ error MenuEvent is a class in the package javax.swing.event, which locates in the package...
... Encapsulation: array of characters vs class string (p 4 .5, 4.7 ,5. 1 ,5. 2 ,5. 5,8.3,8 .5, 9 .5, cstring, string) Week 4: more on Classes and Objects (p 5. 7 ,5. 9,8.*, class Stack) Week 5: Classes, Objects ... Introduction to C+ + programming Week 2: Pointers, arrays and dynamic allocation Week 3: Encapsulation: array of characters vs class string Week 4: more on Classes and Objects (class Stack) Week 5: Classes, ... !!! CSC 309 – OOP in C+ + Prof Massimo Di Pierro Scaffolding Tip: Insert scaffolding code at the top of any program after #include "iostream" Hello Class scaffolding class { public: ~ scaffolding...
... ("MyDll.MyObjectName") object myObject = System.Reflectrion CreatInstance(myObjectType) myObjectType =Type.GetTypeFro mProgID ("MyDll.MyOName" ) object myObject = System.Activator .C reatInstance (myObjectType) ... nothing How can we create the object dynamically in C# ? [2 .5] a) C# does not allow instantiation c) By using the of objects at run time System.Activator CreateInstance() method to create an instance ... code below when compiled/run? [2 .5] class Test { public static void Print (object[ ] arr){ foreach (object p in arr) System.Console.WriteLine(p); } public static void Main(){ string s="Programming...