object oriented programming using c

... 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 object code ... 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 Object Oriented Programming? Activity Think of an object ... Chapter 8) Download free eBooks at bookboon.com 29 Object Oriented Programming using C# An Introduction to Object Orientated Programming 1.9 Summary Object oriented programming involves the creation...

Ngày tải lên: 21/02/2014, 06:20

... xvii PREFACE APPROACH Object- Oriented Programming Using C+ + teaches object- oriented concepts using C+ + as a tool to demonstrate these concepts This book teaches programming concepts using a task-driven ... OF OBJECT- ORIENTED PROGRAMMING AND C+ + Basic logic components used in programs are called control structures Three basic control structures are used in procedural programming In the sequence ... a class; a class defines the characteristics of its objects and the methods that can be applied to its objects In object- oriented languages, you can create new classes that extend or are descendents...

Ngày tải lên: 05/03/2014, 13:20

... 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 object code ... 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 Object Oriented Programming? Activity Think of an object ... Chapter 8) Download free eBooks at bookboon.com 29 Object Oriented Programming using C# An Introduction to Object Orientated Programming 1.9 Summary Object oriented programming involves the creation...

Ngày tải lên: 01/04/2014, 00:20

... of Objects and Classes We move now from the conceptual picture of objects and classes to a discussion of software classes and objects.4 Objects are closely related to classes A class can contain ... Object Oriented Programming using Java Notes for the Computer Science Module Object Oriented Programming COMP200 Adapted from Introduction to Programming Using Java Version 5.0, December ... methods If an object is also a collection of variables and methods, how they differ from classes? 1.2.1 Objects and Classes Objects In object- oriented programming we create software objects that model...

Ngày tải lên: 27/06/2014, 12:20

... of Objects and Classes We move now from the conceptual picture of objects and classes to a discussion of software classes and objects.4 Objects are closely related to classes A class can contain ... Object Oriented Programming using Java Notes for the Computer Science Module Object Oriented Programming COMP200 Adapted from Introduction to Programming Using Java Version 5.0, December ... methods If an object is also a collection of variables and methods, how they differ from classes? 1.2.1 Objects and Classes Objects In object- oriented programming we create software objects that model...

Ngày tải lên: 12/08/2014, 21:21

... destruction of objects takes place automatically An object exists in the heap, and it can be accessed only through variables that hold references to the object What should be done with an object ... that can be used on a constructor definition are the access modifiers public, private, and protected (In particular, a constructor can’t be declared static.) However, a constructor does have a method ... are not and cannot be declared to be static In fact, according to the J AVA language specification, they are technically 32 not members of the class at all! In particular, constructors are not...

Ngày tải lên: 12/08/2014, 21:21

... aces and face cards A Card object can be constructed knowing the value and the suit of the card For example, we can call the constructor with statements such as: card1 = new Card( Card.ACE, Card.SPADES ... aspects of the practice of computer programming, as opposed to the theory of computer programming, which is called computer science; * As the term embodying the advocacy of a speci c approach ... abstraction is the thought process wherein ideas are distanced from objects In computer science, abstraction is a mechanism and practice to reduce and factor out details so that one can focus on...

Ngày tải lên: 12/08/2014, 21:21

... are the mechanism that allows objects to communicate to each other It describes the connection between different classes (the connection between the actual objects is called object connection, or ... Fact: A variable that can hold a reference to an object of class A can also hold a reference to an object belonging to any subclass of A The practical effect of this is that an object of type Car ... real world, cars, trucks, and motorcycles are in fact vehicles The same is true in a program That is, an object of type Caror Truck or Motorcycle is automatically an object of type Vehicle too This...

Ngày tải lên: 12/08/2014, 21:21

... type We can call cardVal.blackjackValue() to find the Blackjack value of the CardValue object to which cardVal refers, and System.out.println(cardVal) will implicitly call the method cardVal.toString() ... is an object belonging to the class CardValue, you can, off-course, call CardValue.JACK.blackjackValue() Suppose that cardVal is declared to be a variable of type CardValue, so that it can refer ... used implicitly.) The inner class object is permanently associated with the containing class object, and it has complete access to the members of the containing class object Looking at an example...

Ngày tải lên: 12/08/2014, 21:21

... named constants representing common colors: Color.WHITE, Color.BLACK, Color.RED, Color.GREEN, Color.BLUE, Color.CYAN, Color.MAGENTA, Color.YELLOW, Color.PINK, Color.ORANGE, Color.LIGHT_GRAY, Color.GRAY, ... respectively, in the color A color in J AVA is an object of the class, java.awt.Color You can construct a new color by specifying its red, blue, and green components For example, Color myColor ... belonging to a class called MouseEvent is constructed The object contains information such as the source of the event (that is, the component on which the user clicked), the (x,y) coordinates of...

Ngày tải lên: 12/08/2014, 21:21

... deck.dealCard() ); / / Deal a card t o t h e hand int cardCt = hand.getCardCount(); Card thisCard = hand.getCard( cardCt − ); / / Card j u s t d e a l t Card prevCard = hand.getCard( cardCt ... e d i n 6.6.3 JCheckBox A JCheckBox is a component that has two states: selected or unselected The user can change the state of a check box by clicking on it The state of a checkbox is represented ... come from one of two checkboxes, cb1 or cb2, then your actionPerformed() method might look like this: public void actionPerformed(ActionEvent evt) { Object source = evt.getSource(); if (source...

Ngày tải lên: 12/08/2014, 21:21

... every object from coll that does not occur in the collection coll2 It “retains” only the objects that occur in coll2 coll2 can be any collection • coll.toArray()–returns an array of type Object[ ... every object in coll2 is also in the coll The parameter can be any collection • coll.addAll(coll2)–adds all the objects in coll2 to coll The parameter, coll2, can be any collection of type Collection ... type T and so can legally be added to coll • coll.removeAll(coll2)–removes every object from coll that also occurs in the collection coll2 coll2 can be any collection • coll.retainAll(coll2)–removes...

Ngày tải lên: 12/08/2014, 21:21

... net narrowly to catch only a speci c type of exception Or you can cast your net widely to catch a wide class of exceptions Because of subclassing, when there are multiple catch clauses in a try ... program When an exception occurs, the thing that is actually “thrown” is an object This object can carry information (in its instance variables) from the point where the exception occurs to the point ... first catch clause and skips the second one If a NullPointerException occurs, it jumps to the second catch clause and executes that Note that both ArrayIndexOutOfBoundsException and NullPointerException...

Ngày tải lên: 12/08/2014, 21:21

... try catch statement More generally, just about any error that can occur during input/output operations can be caught by a catch clause that handles IOException Once you have successfully created ... The Scanner class is in the package java.util Input methods are defined as instance methods in the Scanner class, so to use the class, you need to create a Scanner object The constructor specifies ... of Exception, a catch clause of the form “catch (Exception e)” would also catch ParseErrors, along with any other object of type Exception Sometimes, it’s useful to store extra data in an exception...

Ngày tải lên: 12/08/2014, 21:21

... Project The Essence of Object- Oriented Analysis Object Discovery Evaluate Candidate Objects Determine Object Hierarchies Discover Object Attributes Discover Object Operations The Essence of Object- Oriented ... Other OO Concepts Abstract Classes Visibility of Methods Class vs Instance Accessing Objects A Low-Level View of Objects Chapter Summary Resources Object- Orientation UML Chapter 3: Objects in Java ... run-time constructor An operation that creates an object and defines its initial state For complex objects, construction can be a significant activity, and cause the constructors of other objects...

Ngày tải lên: 22/08/2013, 14:52

... instructions directly into C# code Object- Oriented Concept #2 — Classification Critical to the concept of abstraction is that of classification If I were to ask my son, “What’s a microwave?” he would ... appliance In object- oriented computerese, my microwave is an instance of the class microwave The class microwave is a subclass of the class oven, and the class oven is a subclass of the class kitchen ... But you can easily write an object- oriented program in C# C# provides the following features necessary for writing object- oriented programs: ߜ Controlled access: C# controls the way in which members...

Ngày tải lên: 04/10/2013, 21:20

... Construction So far you’ve defined classes using the explicit syntax for constructors A recent enhancement to F# is called implicit class construction or the compact class syntax This allows a class ... myOtherObject = new Sub1(1) 7575Ch05.qxp 4/27/07 1:02 PM Page 101 CHAPTER I OBJECT- ORIENTED PROGRAMMING printfn "myObject.state = %i, myObject.otherState = %i" myOtherObject.state myOtherObject.otherState ... example, when compiled and executed, are as follows: myOtherObject.state = 1, myOtherObject.otherState = When using implicit class construction, the call to the base class constructor is specified as...

Ngày tải lên: 05/10/2013, 10:20

... set the accType field to AccountType.Checking as shown: class BankAccount { public void Populate(long number, decimal balance) { accNo = number; accBal = balance; accType = AccountType.Checking; ... Nested classes can also be declared as public or private class Bank class Bank { { public class Account { } public class Account { } private class AccountNumberGenerator { } private class AccountNumberGenerator ... shown: class BankAccount { private long accNo; private decimal accBal; private AccountType accType; } Compile the program It will fail to compile The error occurs in the CreateAccount class as...

Ngày tải lên: 10/12/2013, 16:16

... function rectangle_area class_Rectangle module class_Circle ! define the second object class real :: pi = 3.1415926535897931d0 ! a circle constant type Circle real :: radius ; end type Circle contains ... function type ( real area end module Computation of area for circles circle_area ( c ) result ( area ) Circle ), intent(in) :: c :: area = pi * c% radius**2 ; end function circle_area class_Circle ... function use class_Circle use class_Rectangle ! Interface to generic routine to compute area for any type interface compute_area module procedure rectangle_area, circle_area ; end interface !...

Ngày tải lên: 12/12/2013, 21:16