Object oriented programming and cryptography, C/C++ Programming

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1.1 Gary Booch defined an object is an entity that has identity, state(s) and behavior(s). Please describe these concepts as they relate to object-oriented  programming languages, such as C#, VB.NET and Java.

Objects Characteristics

Description and Application to OOPs

Identity

 

State

State describes the physical characteristic an object from the size, color, ect.

Behavior

The behavior describes the character traits of an object from what it does, to how and when it will do something,

1.2 In OOPs the programmer codes classes, not objects. An object is created when the program code is translated and executed. What is the difference between a class and an object?

1.3 How are objects created during program execution? (Be Specific!) .

1.4 What is a method? .

1.5 What is meant by the concept of invoking a method? .

1.6 What is a message? .

1.7 Describe the type of actions provided by the following methods.

Method Type

Action Performed

Accesor

 

Mutator

 

Constructor

 

Destructor

 

1.8 Why use a constructor method instead of the default constructor?

1.9 Provide an application code syntax example for each of the four OO programming languages listed below that will create a class.

OOP Syntax Used to Create a Class

C++

VB.NET

C#

Java

 

 

 

 

1.10 Provide an application code syntax example for each of the four OO programming languages listed below that will define a class variable.

OOP Syntax Used to Create a Class Variable or Property

C++

VB.NET

C#

Java

 

 

 

 

1.11 Provide an application code syntax example for each of the four OO programming languages listed below that will define a class method.

OOP Syntax Used to Create a Class Method

C++

VB.NET

C#

Java

 

 

 

 

1.12 What is a software component?

1.13 A class is a type of software component?

1.14 Provide other examples of components other than class

1.15 What is meant by a class member?

1.16 Give some examples of class members.

1.17 What is the difference between an instance member and a class member?

1.18 Variables and Fields store data concerning an object. Properties also store data concerning an Object. Java does not use the term properties in the same way VB.NET. They use the term accessor and mutator methods. What are the differences between and a class or method variable/field versus a class/method property. Though the terminologies may different, both concepts have the same effect.

1.19  What are the security and integrity implications of using Accesor/Get functions and Mutator/Set functions?

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