Ppt on object oriented programming

2 Object-Oriented Analysis and Design with the Unified Process Objectives  Describe implementation activities  Describe various types of Software Tests.

through two or three levels before a significant number of Classes and Methods can be developed simultaneously.  However if the first few iterations of the program can be completed quickly, then the disadvantage is minimal. 62 Object-Oriented Analysis and Design with the Unified Process BOTTOM-UP DEVELOPMENT ORDERS  Bottom-up a development Order that implements low-level detailed modules developed first and/


2 Object-Oriented Analysis and Design and the Unified Process Objectives  The Primary focus of this chapter is on how to develop detailed Object- oriented.

purpose is simply to direct Programming. 5 Object-Oriented Analysis and Design and the Unified Process Overview of Object-Oriented ProgramsObject-oriented Programs consist of a set of ‘Computing Objects’ that cooperate to accomplish a result.  Each Object has Program Logic and Data encapsulated within it;  Each Object works by sending each other Messages to collaborate to support the functions at the main Program.  Most Object-oriented Programs are ‘Event-driven’. Program execution is initiated by an/


K.Subieta. Object-Oriented Query Languages and Views, slide 1 Sept. 2000 Tutorial: Object-Oriented Query Languages and Views Part 1: Basic concepts and.

pointer links are allowed too. Collections have a big meaning for conceptual modeling. Nested collections simplify queries (navigations instead of joins). Typical object-oriented programming languages have no explicit collection types; collections must be modelled by some tricks. K.Subieta. Object-Oriented Query Languages and Views, slide 22 Sept. 2000 The OODBMS Ideals Orthogonal persistence: the same types can be applied to persistent and volatile/


Programming with Visual Basic.NET An Object-Oriented Approach  Chapter 8 Introduction to Database Processing.

box named txtEmployeeID Dim pbndTemp As Binding pbndTemp = New Binding("Text", DsEmployees1, _ "tblEmployees.fldEmployeeID") txtEmployeeID.DataBindings.Add(pbndTemp) txtEmployeeID.DataBindings.Add("Text", DsEmployees1, _ "tblEmployees.fldEmployeeID") Programming with Visual Basic.NET An Object-Oriented Approach  Slide 32 Record Navigation (Overview) Users need a way to navigate from record to record Use the BindingContext of the Form class Multiple BindingContexts can exists CurrencyManager/


An Object-Oriented Approach to Programming Logic and Design Fourth Edition Chapter 8 More Object Concepts.

method but different parameter list – Override the setCredits() method in Student class Best solution Child class method is only used with child class objects 31An Object-Oriented Approach to Programming Logic and Design Overriding Base Class Methods (cont’d) 32An Object-Oriented Approach to Programming Logic and Design Class contains setCredits() method –overrides setCredits() method in Student class actualCredits stores # of credits for which student is enrolled/


Object Model OOAD. Foundations of the Object Model Structured Design Methods evolved – For Developer (who build complex systems) – Using Procedural PL.

up and down inside its shaft. Any elevator simulation must incorporate these invariants, for they are integral to the notion of an elevator Object-Oriented Programming (OOP) Definition Object-oriented programming is a method of implementation in which programs are organized as cooperative collections of objects, each of which represents an instance of some class, and whose classes are all members of a hierarchy of classes united via/


An Object-Oriented Approach to Programming Logic and Design Chapter 2 Object-Oriented Programming Concepts.

the advantages of OOP An Object-Oriented Approach to Programming Logic and Design 4 An Overview of Object-Oriented Programming Object oriented programming: focuses on the data and the methods to manipulate it Attributes: characteristics that define an object Class: a group or collection of objects with common properties Instance: an existing object created from a class An Object-Oriented Approach to Programming Logic and Design 5 An Overview of Object-Oriented Programming (continued) Messages are passed to/


Lecturer: Dr. AJ Bieszczad Chapter 6 COMP 150: Introduction to Object-Oriented Programming 6-1 l Array Basics l Arrays in Classes and Methods l Programming.

Species[] specimen = new Species[100]; Lecturer: Dr. AJ Bieszczad Chapter 6 COMP 150: Introduction to Object-Oriented Programming 6-4 Programming Tip : Use Singular Array Names l Using singular rather than plural names for arrays improves readability l Although/all employees on day i Lecturer: Dr. AJ Bieszczad Chapter 6 COMP 150: Introduction to Object-Oriented Programming 6-45 Programming Example : Employee Time Records Nested Loops with Multidimensional Arrays The method computeWeekHours uses nested for /


1 Collections Chapter 22 Y.Daniel Liang Introduction to Java Programming Sixth Edition and Cay Horstmann Object-Oriented Design & Patterns.

F LinkedList and ArrayList: two implementation of the List interface Y.Daniel Liang Introduction to Java Programming Sixth Edition and Cay Horstmann Object-Oriented Design & Patterns 8 > Collection HashSet > Set > List TreeSet > SortedSet ArrayList LinkedList /the end, ArrayList offers the most efficient collection. Y.Daniel Liang Introduction to Java Programming Sixth Edition and Cay Horstmann Object-Oriented Design & Patterns 23 ArrayList and LinkedList If, however, your application requires the insertion /


© 2000 McGraw-Hill Introduction to Object-Oriented Programming with Java--WuChapter 10 - 1 Chapter 10 Sorting and Searching.

Java--WuChapter 10 - 20 Selection Sort Passes 012345678 51723901244388477 sorted 51223901744388477 2 51217902344388477 3 51217233844778490 7 51217233844778490 8 1 Pass # Result AFTER one pass is completed. © 2000 McGraw-HillIntroduction to Object-Oriented Programming with Java--WuChapter 10 - 21 Selection Sort Routine public void selectionSort( int[] number ) { int startIndex, minIndex, length, temp; length = number.length; for (startIndex = 0; startIndex <= length-2; startIndex++){ //each iteration/


1 2011/12 Object Oriented Technology 1 Topic 1: Approaches to System Development Reference: Ch.2 Approaches to System Development (Satzinger: Systems Analysis.

languages: Java, C++, C#.NET, VB.NET 1 2011/12 Object Oriented Technology 36 Object-Oriented Approach to Systems 1 2011/12 Object Oriented Technology 37 3.2 Object-Oriented Approach u Object-oriented analysis (OOA) u Object-oriented design (OOD) u Object-oriented programming (OOP) 1 2011/12 Object Oriented Technology 38 3.2.1 Object-Oriented Analysis u Object-oriented analysis (OOA) l Defines all of types of objects that do the work in the system l Shows what use/


An Object-Oriented Approach to Programming Logic and Design Fourth Edition Chapter 9 Event-Driven Programming with Graphical User Interfaces.

construction details – Concentrate on actions desired GUI Components – Examples of best principles of object-oriented programming – Represent objects with attributes and methods Instantiating objects – Occurs when using GUI components – Each object belongs to a prewritten class 12An Object-Oriented Approach to Programming Logic and Design User-Initiated Actions and GUI Components (cont’d) 13An Object-Oriented Approach to Programming Logic and Design Abbreviated version of how a Button class may be written/


DEV-12: Object-oriented Programming in OpenEdge ® ABL Evan Bleicher Senior Development Manager, Progress OpenEdge.

OpenEdge ABL For More Information, go to…  PSDN  Progress eLearning Community Whats New OE 10.1 Object Oriented Programming  Documentation 10.1B Object-oriented Programming manual 10.1B New and Revised Features manual © 2007 Progress Software Corporation 59 DEV-12, Object-oriented Programming in OpenEdge ABL Questions? © 2007 Progress Software Corporation 60 DEV-12, Object-oriented Programming in OpenEdge ABL Thank you for your time! © 2007 Progress Software Corporation 61 DEV-12/


An Object-Oriented Approach to Programming Logic and Design Fourth Edition Chapter 3 Making Decisions.

default order of operations – Use parentheses for clarity – Use nested if statements instead of AND s and OR s Example of using nested if follows 41An Object-Oriented Approach to Programming Logic and Design 42An Object-Oriented Approach to Programming Logic and Design Nested decisions that determine movie patron discount Figure 3-23 Summary All decisions evaluate Boolean expressions Can compare any two values of the/


Alice 2.0 Introductory Concepts and Techniques Project 1 Exploring Alice and Object-Oriented Programming.

Alice 2.0 Introductory Concepts and Techniques Project 1 Exploring Alice and Object-Oriented Programming Project 1: Exploring Alice and Object-Oriented Programming 2 Project Objectives Describe the concept of object-oriented programming (OOP) Start Alice Locate and describe the components of the Alice interface Project 1: Exploring Alice and Object-Oriented Programming 3 Project Objectives Load and play an existing Alice world Create and save a new Alice world Print the code for Alice/


BCS 2143 Object Oriented Programming Defining Your Own Classes (Part 1)

; } public String getOwnerName( ) { return ownerName; } public void setInitialBalance (double bal) { balance = bal; } public void setOwnerName (String name) { ownerName = name; } Page 1Page 2 BCS 2143 Object Oriented Programming The Program Structure for SecondMain SecondMainBicycle SecondMain.javaBicycle.javaAccount.java Account BCS 2143 Object Oriented Programming 3. Arguments and Parameters An argument is a value we pass to a method class Account {... public void add(double amt) { balance = balance + amt/


Object Oriented Programming with C++/ Session 6 / 1 of 44 Multiple Inheritance and Polymorphism Session 6.

: public Shapes{ private: int radius; public: void draw()//redefined in derived class {cout<<"Draw circle";} }; Object Oriented Programming with C++ / Session 6 / 25 of 44 Example(Contd.) class square: public Shapes{ private: int / be virtual {alpha_ptr = new char[5];} virtual void fn();//virtual member function virtual ~Alpha()//virtual destructor {delete[] alpha_ptr;} }; Object Oriented Programming with C++ / Session 6 / 43 of 44 Example (Contd.) class Beta: public Alpha{ private: char* ptrderived; public:/


© M. Winter COSC 3P91 – Advanced Object-Oriented Programming 1.11.1 COSC 3P91 Advanced Object-Oriented Programming Super Course Instructor: Michael Winter.

[] args) { IntPair p = new IntPair(2,3); try { ObjectOutputStream out = new ObjectOutputStream( new FileOutputStream(Filename)); out.writeObject(p); out.close(); } catch(IOException e) { e.printStackTrace(); } © M. Winter COSC 3P91 – Advanced Object-Oriented Programming 1. 45 Serialization (cont.) import java.io.*; public class inout { public static void main(String[] args) { try { ObjectInputStream in = new ObjectInputStream( new FileInputStream(Filename)); IntPair p = (IntPair) in.readObject(); System/


TIMELINE OF PROGRAMMING LANGUAGES Presented by: Lanz Christian Buyao.

with argument passing, real number type, arrays, strings, pointer, and a built-in I/O library. Like ABC and Python, indentation is part of the language syntax. Self is an object-oriented programming language based on the concept of prototypes. Self was a dialect of Smalltalk, beingdynamically typed and using just-in-time compilation (JIT) as well as the prototype-based approach to/


© M. Winter COSC 3P91 – Advanced Object-Oriented Programming 4.14.1 GUI Programming graphical user interface –human-computer interface –replaces command-line.

–JFrame top level window window events –WindowListener windowClosing addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { setVisible(false); dispose(); System.exit(0); }}); –WindowAdapter null methods © M. Winter COSC 3P91 – Advanced Object-Oriented Programming 4. 21 Listeners (cont.) private class MyMouseListener extends MouseAdapter { public void mouseClicked (MouseEvent me) { int x = me.getX(); int y = me.getY(); if (me.getButton() == MouseEvent.BUTTON1) { // action for left/


An Object-Oriented Approach to Programming Logic and Design Fourth Edition Chapter 1 An Overview of Computer Programming.

down processes into manageable subtasks – Object-oriented programming – focuses on objectsObjects: entities that have attributes, behaviors, and states Attributes: object features Behaviors: what object does States: set of all values of attributes – Primary difference is focused on early planning stages 13An Object-Oriented Approach to Programming Logic and Design Understanding the Evolution of Programming Models (cont’d) Object-oriented approach – Defining the objects needed to accomplish a task – Each/


© M. Winter COSC 3P91 – Advanced Object-Oriented Programming 2.12.1 I/O I/O: sequential and random access streams –sequential –uniform specification for.

subjects to observers –observing more than one subject –triggering the update –deleted subjects –self-consistent state in subject –how much information to send on update © M. Winter COSC 3P91 – Advanced Object-Oriented Programming 2. 40 Observer - Structure Subject Attach(Observer) Detach(Observer) Notify() Observer Update() ConcreteSubject GetState() SetState() subjectState return subjectStatefor all o in observers { o->Update() } ConcreteObserver Update() observerState observerState = subject->GetState/


Object-Oriented Program Development Using Java: A Class-Centered Approach, Enhanced Edition.

should be able to describe: One-Dimensional Arrays Array Initialization The Arrays Class: Searching and Sorting Arrays as Arguments The Collections Framework: ArrayLists Object-Oriented Program Development Using Java: A Class-Centered Approach, Enhanced Edition3 Objectives (continued) Two-Dimensional Arrays Common Programming Errors Object-Oriented Program Development Using Java: A Class-Centered Approach, Enhanced Edition4 One-Dimensional Arrays List of related values with same data type –Stored using/


Lecturer: Dr. AJ Bieszczad Chapter 5 COMP 150: Introduction to Object-Oriented Programming 5-1 l Programming with Methods l Static Methods and Static Variables.

. l Include a constructor that has no parameters. »Include your own default constructor. Lecturer: Dr. AJ Bieszczad Chapter 5 COMP 150: Introduction to Object-Oriented Programming 5-26 Programming example: PetRecord Lecturer: Dr. AJ Bieszczad Chapter 5 COMP 150: Introduction to Object-Oriented Programming 5-27 Constructor Example from PetRecord public class PetRecord { private String name; private int age; //in years private double weight; //in pounds... public/


Using UML, Patterns, and Java Object-Oriented Software Engineering Chapter 10, Mapping Models to Code.

4 Different Types of Transformations Source code space Forward engineering Refactoring Reverse engineering Model space Model transformation System Model (in UML) Another System Model Program (in Java) Another Program Yet Another System Model Bernd Bruegge & Allen H. Dutoit Object-Oriented Software Engineering: Using UML, Patterns, and Java 10 Refactoring Example: Pull Up Field public class Player { private String email; //... } public class LeagueOwner { private String/


Object Oriented Programming with C++/ Session 5/ 1 of 41 Inheritance Session 5.

Employee is called the base class and the newly created class is called the derived class. Employee DirectorManagerSecretaryClerk Object Oriented Programming with C++/ Session 5 / 5 of 41 Single Inheritance (Contd.) n In a class hierarchy, / Manager m_name, m_age, m_Emp_id, m_salary m_department perks, no_of_employees reporting Class: Employee Name, Age, Emp_id Salary, Department Object Oriented Programming with C++/ Session 5 / 6 of 41 Advantages n Most important advantage: reusability of code. Once a base/


An Object-Oriented Approach to Programming Logic and Design Fourth Edition Chapter 5 Arrays.

, the greater the efficiency improvement achieved by leaving the search loop early Figure 5-11 shows improved version of price-finding example 28An Object-Oriented Approach to Programming Logic and Design Figure 5-11 29An Object-Oriented Approach to Programming Logic and Design Program exits loop once value has been found and number of comparisons does not exceed SIZE Improved version of price-finding example Searching an/


Lecturer: Dr. AJ Bieszczad Chapter 9 COMP 150: Introduction to Object-Oriented Programming 9-1 l Overview of Streams and File I/O l Text File I/O l Binary.

); The text lists some other useful PrintWriter methods Lecturer: Dr. AJ Bieszczad Chapter 9 COMP 150: Introduction to Object-Oriented Programming 9-9 TextFileOutputDemo Part 1 public static void main(String[] args) { PrintWriter outputStream = null; try { outputStream/"white space" (space, tab, and newline) Lecturer: Dr. AJ Bieszczad Chapter 9 COMP 150: Introduction to Object-Oriented Programming 9-20 Example: StringTokenizer l Display the words separated by any of the following characters: space, new line /


An Object-Oriented Approach to Programming Logic and Design Fourth Edition Chapter 12 Manipulating Larger Quantities of Data.

the loop, executing the score comparison statement 81 times 17An Object-Oriented Approach to Programming Logic and Design Figure 12-8 18An Object-Oriented Approach to Programming Logic and Design Figure 12-8 illustrates displayArray() method which /: largest items “sink” to bottom Improve bubble sort – Eliminate unnecessary comparisons – Eliminate unnecessary passes 49An Object-Oriented Approach to Programming Logic and Design Summary (cont’d) Two-dimensional arrays – Have rows and columns of values – Two/


An Object-Oriented Approach to Programming Logic and Design Fourth Edition Chapter 6 Using Methods.

– Methods with identical names, identical parameter lists and different return types are ambiguous Avoiding ambiguous methods – Provide different parameter lists for methods with same name 39An Object-Oriented Approach to Programming Logic and Design 40An Object-Oriented Approach to Programming Logic and Design Figure 6-17 –Two versions of method printBill() –One version accepts customer balance and discount rate –Other version accepts customer balance and discount/


Object-Oriented Program Development Using Java: A Class-Centered Approach, Enhanced Edition.

: A Class-Centered Approach, Enhanced Edition11 Programming Languages (continued) Figure 1.2: Translating a Java program Object-Oriented Program Development Using Java: A Class-Centered Approach, Enhanced Edition12 Procedure and Object Orientations Procedure-oriented language –Available instructions are used to create self- contained units Object-oriented language –Program must first define objects it will be manipulating Java object-oriented Object-Oriented Program Development Using Java: A Class-Centered/


An Object-Oriented Approach to Programming Logic and Design Chapter 1 An Overview of Computers and Logic.

of all of the attributes An Object-Oriented Approach to Programming Logic and Design 16 Understanding the Programming Process Object-oriented approach to developing a computer software system involves three tasks: –Object-oriented analysis (OOA): analyzing the system –Object-oriented design (OOD): designing the system –Object-oriented programming (OOP): writing the programs Our focus is on writing programs that are already designed An Object-Oriented Approach to Programming Logic and Design 17 Understanding/


Object-Oriented Program Development Using Java: A Class-Centered Approach, Enhanced Edition.

to its attributes Identity –Name that uniquely identifies object Object-Oriented Program Development Using Java: A Class-Centered Approach, Enhanced Edition49 Procedural versus Object Orientations Procedure-oriented programming –Emphasis on operations to be performed Object-oriented programming –Emphasis on attributes and behavior of objects Object-Oriented Program Development Using Java: A Class-Centered Approach, Enhanced Edition50 Common Programming Errors Forgetting to declare all variables used in/


An Object-Oriented Approach to Programming Logic and Design Chapter 3 Using Methods and Parameters.

public, private, or protected) –Return type –Method name –Optional list of arguments, separated by commas An Object-Oriented Approach to Programming Logic and Design 7 Creating Methods With No Arguments Creating methods with no arguments: –Place the method within /by name, or to put them in get/set pairs An Object-Oriented Approach to Programming Logic and Design 32 Organizing Classes (continued) An Object-Oriented Approach to Programming Logic and Design 33 Understanding the Role of the this Reference Just/


An Object-Oriented Approach to Programming Logic and Design Fourth Edition Chapter 4 Looping.

100 discount stickers for items – Inefficient because newPrice is calculated 100 times even though price hasn’t changed Figure 4-12 shows an improved method 23An Object-Oriented Approach to Programming Logic and Design 24An Object-Oriented Approach to Programming Logic and Design Inefficient way to produce 100 discount stickers for differently priced items newPrice is calculated 100 times even though price hasn’t changed Figure/


An Introduction to Programming and Object Oriented Design using Java 3 rd Edition. Dec 2007 Jaime Niño Frederick Hosch Chapter 18 Integrating user interface.

extends Observable …  All views are Observer’s of RightTriangle instance rt  Client Observer registers to rt invoking addObserver. rt.addObserver(this); setChanged(); notifyObservers(); 10Dec 2007NH-Chapter 18:An Introduction To Programming And Object Oriented Design Using Java Implementing an Observable  RightTriangle changes state in setBase or setHeight : public void setBase (int newBase) { this.base = newBase; setHypotenuse(); setChanged(); notifyObservers(); } public void setHeight (int newHeight/


Prepared By Jay Dave© RKU 2014 Object-Oriented Analysis and Design Process overview 1 Chapter 14 System Design.

one generalization first, then the other. – This approaches multiplies out all possible combinations. – This preserves inheritance but duplicates declarations and code and violates the spirit of OO programming. Prepared By Jay Dave© RKU 2014 Object-Oriented Analysis and Design Process overview There are several issue when selecting the best workaround. – Superclass of equal importance – Dominant superclass – Few subclass – Sequencing generalization sets – Large quantities/


Object Oriented Programming with C++/ Session 1/ 1 of 50 Basic Object Oriented Concepts Session 1.

with C++/ Session 1/ 1 of 50 Basic Object Oriented Concepts Session 1 Object Oriented Programming with C++/ Session 1/ 2 of 50 Session Objectives n Discuss the following: The Object-Oriented approach Drawbacks of traditional programming Object-Oriented programming n Discuss basic Object-Oriented concepts such as: Objects Classes Properties Object Oriented Programming with C++/ Session 1/ 3 of 50 Session Objectives (Contd.) Methods Abstraction Inheritance Encapsulation Polymorphism n Compare Classes/


Object-oriented programming and design 1 Object Identity = vs. == copying objects Value Object ValueWithHistory.

have identity. Their state changes, but their identity doesn’t change. You can change the value of an object, but a 3 is always 3. Object-oriented programming and design 3 Object Protocol Operations understood by all objects: == anObjectidentity - same object = anObjectequality - same value ~~ anObjectdifferent objects ~= anObjectdifferent values Object-oriented programming and design 4 Equality vs. Identity Equality is user defined. = anObject ^self == anObject Identity is system defined. == anObject/


Object-Oriented Program Development Using Java: A Class-Centered Approach, Enhanced Edition.

JFrame –Most commonly used as top-level container Heavyweight components –Responsible for interfacing with operating system Object-Oriented Program Development Using Java: A Class-Centered Approach, Enhanced Edition11 Containment Hierarchy (continued) Content pane –Internal/ event handler class Step 2: Create instance of event handler class Step 3: Register listener object Object-Oriented Program Development Using Java: A Class-Centered Approach, Enhanced Edition36 Adding a Button When adding lightweight /


COMP 150: Introduction to Object-Oriented Programming Lecturer: Dr. AJ Bieszczad 4-1 Chapter 4 l Class and Method Definitions l Information Hiding and.

this compares their addresses { } if(firstLine.equals(secondLine) //this compares their values { } COMP 150: Introduction to Object-Oriented Programming Lecturer: Dr. AJ Bieszczad 4-41 Chapter 4 Pass the Address: Class Types as Method Parameters l In the same/= new DemoSpecies("Crepek", 10, 20); DemoSpecies s2 = new DemoSpecies(); s1.makeEqual(s2); COMP 150: Introduction to Object-Oriented Programming Lecturer: Dr. AJ Bieszczad 4-43 Chapter 4 Summary Part 1 l Classes have instance variables to store data and/


Chapter 7 Understanding Inheritance. LOGO Objectives  Learn about inheritance and its benefits  Create a derived class  Learn about restrictions imposed.

can be accessed only by a class’s member functions  The inheritance access specifier in derived classes is most often public Object-Oriented Programming Using C++, Third Edition18 LOGO Overriding Inherited Access Object-Oriented Programming Using C++, Third Edition 19 LOGO Overriding Inherited Access (continued) Object-Oriented Programming Using C++, Third Edition 20 LOGO Overriding Inherited Access (continued)  Access for showPolicy() is public within AutomobileInsurancePolicy, even though all other/


2 Object-Oriented Analysis and Design with the Unified Process Objectives  This chapter provides you with a broader understanding of some important issues.

new System:- ◘Protection from Variation ◘Indirection  As a Designer continually think about ‘Protection From Variations’ and apply the Principles as you design- During the User-interface design, Program Logic Design and Database design. 18 Object-Oriented Analysis and Design with the Unified Process Additional Design Principles  PROTECTION FROM VARIATIONS A Principle of design that whereby parts of a System that are unlikely to/


Learners Support Publications www.lsp4you.com Object Oriented Programming.

Characteristics of Procedure- Oriented Programming Overview and Characteristics of Object- Oriented Programming Overview and Characteristics of Object- Oriented Programming Object-Oriented Programming – Definition Object-Oriented Programming – Definition Basic Concepts of Object-Oriented Programming Basic Concepts of Object-Oriented Programming Benefits of Object-Oriented Programming Benefits of Object-Oriented Programming Learners Support Publications www.lsp4you.com Object Oriented Programming OOP is an/


DCS2133 Object Oriented Programming Graphical User Interface & Event-Driven Programming.

. The Swing classes provide greater compatibility across different operating systems. They are fully implemented in Java, and behave the same on different operating systems. DCS2133 Object Oriented Programming Sample GUI Objects Various GUI objects from the javax.swing package. DCS2133 Object Oriented Programming Subclassing JFrame To create a customized frame window, we define a subclass of the JFrame class. The JFrame class contains basic functionalities to support features/


COMP 150: Introduction to Object-Oriented Programming 1 Lecturer: Dr. AJ Bieszczad l Event-Driven Programming and GUIs l Swing Basics and a Simple Demo.

…”); getContentPanel().add(myLabel); WindowDestroyer myListener = new WindowDestroyer(); addWindowListener(myListener); } Inherits from JFrame Calls constructor of base class setSize, getContentPanel, and addWindowListener methods are inherited from JFrame COMP 150: Introduction to Object-Oriented Programming 14 Lecturer: Dr. AJ Bieszczad Methods of the JFrame Class l JFrame(String title) constructor for creating a JFrame with a title Container getContentPane() returns the content pane of the/


TS-1505, AspectJ: Aspect-Oriented Programming Using JavaTM Technology1 AspectJ™: aspect-oriented programming using Java™ technology Gregor Kiczales University.

accessed by * Printer uses * User holds * search(key) print(doc) quota(user)... gui() logon() search(key) print(doc)... print(ps) getStatus() getQueue()... user interruption cuts across the object structure TS-1505, AspectJ: Aspect-Oriented Programming Using JavaTM Technology19 the AOP idea crosscutting is inherent in complex systems crosscutting concerns –have a clear purpose –have a natural structure defined set of methods, module boundary/


DEV-6: Advanced Object-Oriented Programming in the ABL Evan Bleicher Senior Development Manager Shelley Chase

VAR rDataObject AS CLASS Acme.IDataAccess METHOD VOID fetchWhere ( ) METHOD VOID saveChanges ( ) METHOD VOID processOrder( ) METHOD OVERRIDE VOID processOrder ( ) METHOD OVERRIDE VOID processOrder ( ) © 2006 Progress Software Corporation8 DEV-6 Advanced Object-oriented Programming in the ABL Physical Architecture of A Class Hierarchy COMPILE Acme/BEExternalOrder.cls SAVE. Inherits / Acme / BusinessEntity.cls / Acme / BusinessEntity.cls / Acme / BEOrder.cls / Acme / BEOrder.cls / Acme / BEExternalOrder.cls/


Lecturer: Dr. AJ Bieszczad Chapter 10 COMP 150: Introduction to Object-Oriented Programming 10-1 l Vectors l Linked Data Structures Dynamic Data Structures.

previously assigned a value with addElement Lecturer: Dr. AJ Bieszczad Chapter 10 COMP 150: Introduction to Object-Oriented Programming 10-9 Programming Tip : Adding to a Vector Can use addElement »adds elements at index positions in order Can /capacity, to avoid reading garbage values Lecturer: Dr. AJ Bieszczad Chapter 10 COMP 150: Introduction to Object-Oriented Programming 10-14 Programming Tip: Increasing Storage Efficiency of Vectors l A vector automatically increases its size if elements beyond its /


Shanghai Jiao Tong University 上海交通大学软件工程中心 Object Oriented Analysis and Design Aspect-Oriented Software Development (AOSD)

Shanghai Jiao Tong University 上海交通大学软件工程中心 Object Oriented Analysis and Design Aspect-Oriented Software Development (AOSD) Object Oriented Analysis and Design 2 Introduction  Evolution of Programming Languages  Assembly/Machine Languages  Formula Translation  Procedural Programming  Structured Programming  Functional Programming  Logic ProgrammingProgramming with abstract data types  Evolution of Software Design  Monolithic ---> Modular Object Oriented Analysis and Design 3 Design Principles  /


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