CS304 HANDOUTS PDF

Object Oriented Programming (CS) VU CSHandouts Last Updated: 20/ 08 Object Oriented Programming (CS) VU LECTURE NO Object Oriented Programming (CS) CSHandouts. Download. Object Oriented Programming (CS) CSHandouts. Uploaded by. B. Moeen Ali. CS Complete Handouts 1 to 45 lectures in signle pdf file.

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Engineering Process We need to understand the steps that take us from an idea to a product. Platform independence means that we can write and compile the java. Object-Oriented Programming Programming with Data Types to enhance reliability and productivity through reuse and by facilitating evolution Object instance State fields Behavior methods Identity.

Tutorial – Building a Use Case Diagram 1.

Object Oriented Programming (CS304)

N-ary Association An association between 3 or more classes its practical examples are very rare Composition An object may be composed of other smaller objects, the cd304 between the part objects and the whole object is known as Composition, Composition is represented by a line with a filled-diamond head towards the composer object Example Composition of Ali 52 Virtual University of Pakistan.

Kinds of data and how they. The benefit of using this approach is that our object interface to outside word becomes independent from inside implementation of that interface.

In what order do we uandouts it? Sub typing is looking at things from Top to bottom whereas in generalization we look at things from bottom to top Specialization Restriction We want to add a class to existing hierarchy of classes having many similarities to already existing handotus but some part of its behaviour is different or restricted.

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A continuum of courses, including advanced classes in technology is needed. We extract these features into a new class and inherit original classes from this new class. Subtyping and generalization are related concepts, Subtyping extension and generalization is a way to look same thing in two ways.

Virtual University of Pakistan 1. One-way Association In One way association we can navigate along a single direction only, it is denoted by an arrow towards the server object.

It includes use cases, which are pieces of functionality the system. Information hiding is one of hanouts most important principles of OOP inspired from real life which says that all information should not be accessible to all persons. Compressing data to reduce the amount of transmitted data e. One solution is that we write 32 Virtual University of Pakistan.

Object Oriented Programming (CS) CSHandouts | bc MOEEN ALI –

There are four storage More information. Basic Programming Logic Explain the steps involved in the program development cycle. It reduces the redundancy and gives us reusability, using generalization our solution becomes less complex.

A team of programmers for a large software development. In what order does a computer execute the lines of code More information. So we can say that Data and Behavior are tightly coupled inside an object and both the information structure and implementation details of its operations are hidden from the outer world.

This association can be represented with a line along an arrow head or without arrow head Kinds of Association: Interfaces are necessary for object communication.

In this lecture you will learn: An object is, 1. What can be overloaded. This concept is known as Generalization. A class primarily intended to define an instance, but can not be instantiated without additional methods.

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Presentation Layer The presentation layer is concerned with preserving the meaning of information sent across a network. Storage class is another attribute. Entity Relationship Modelling Lecture Neil Harrison PC Member: Binary Search Trees 1 The general binary tree shown in the previous chapter is not terribly useful in practice. Net Technologies Course Name: Complete the exercise in class design.

Interface and implementation are separated from each other to achieve Information Hiding. In object oriented programming approach we have objects with their attributes and behaviors that are hidden from other classes, so we can say that object oriented programming follows the principle of information hiding. It is a reference by which one object can interact with some other object.

Java Interview Questions and Answers 1. There are four storage. An abstract class implements an abstract concept Main purpose is to be inherited by other classes Can t be instantiated Promotes reuse Abstract Classes – Example I Shape color vertices draw move setcolor Circle Line Triangle Here, Shape is an abstract class 36 Virtual University of Pakistan. Data Analysis 1 Unit 2.