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What is Object Oriented Programming The Object oriented programming is one of the newest and most powerful paradigms. The Object Oriented Programming mentions to the programming methodology based on the objects, in its place of just procedures and functions. These objects are planned into classes, which are allowing to the individual objects to be group together. Modern programming languages containing java, PHP and C or C are object oriented languages. The object in an Object Oriented Programing language discusses to a instance or specific type, of the class. Each and every object has a structure related to other objects in the class, but it can be allocated individual features. An object can also call as method or functions, particular to that object. The Individual characters are may be defined as objects, according to the object which are allows them to have different skill, appearances, and abilities. The Object oriented programming makes it easier to the programmers to design and organize software programs. The important features which are help to design the object oriented programming and design is given below Development over the designed programming paradigm. Importance on data rather than algorithms. Procedural abstraction is perfected by data abstraction. Data and associated processes are unified, grouping objects with common attributes, operations, and semantics. The Principles of OOPAccording to the principals there twelve fundamental features there are given below. Encapsulation. 2. Data Abstraction. Inheritance. 4. Polymorphism. Extensibility. 6. Persistence. Delegation. Generality. Object Concurrency. Event Handling. 11. Multiple Inheritance. Message Passing According to the Object Oriented programming language, it has to allow working with classes and objects as well as the implementation and use of the main four fundamental object oriented principles and concepts. Encapsulation Hide unnecessary details in classes and deliver a simple and clear interface for working. Inheritance explain how the class hierarchies develop code readability and support to the reuse of functionality. Data Abstraction to deal with objects since their important features and ignore all other details. Polymorphism explain how to work with different object in the same manner, which explain the specific implementation of some abstract behavior. Figure 1. Encapsulation. The process, or mechanism, by which you combine code and the data it manipulates into a single unit, is commonly referred to as encapsulation. Encapsulation provides a layer of security around manipulated data, protecting it from external interference and misuse. In Java, this is supported by classes and objects. Inheritance New data types classes can be defined as extensions to previously defined types. Parent Class Super Class Child Class Sub Class Subclass inherits properties from the parent class. Parent Child. Polymorphism. Polymorphic which means many forms has Greek roots. Poly Many, Morphos forms in object oriented programming Polymorphism means that it has many forms. Polymorphism allows an object to be processed differently by data types andor data classes. More precisely, it is the ability for different objects to respond to the same message in different ways. It allows a single name or operator to be associated with different operations, depending on the type of data it has passed, and gives the ability to redene a method within a derived class. In the above figure 4, it is shown that a simple thread could be transformed into different shapes same way polymorphism means that it could change to many different types. Data abstraction Abstraction is a concept which facilitates to extract out the essential information of an object. In OOP Object orients programming, Abstraction Facilitates the easy conceptualization of real world objects into the software program. Abstraction facilitates the easy conceptualization of real world objects, by eliminating the unnecessary details of the object. Unnecessary details Yes, all the similar objects when you generalize, you will drop the uncommon details about the objects. Conclusion. All the features and principles are explained clearly with examples in the above task at it also describes what is OOP and its characteristics. Explain the Difference between Class Object with in Object Oriented Programming with Examples. Introduction The Following task contains what is an object and what is a class it describes the difference between them and also it includes examples of what is an object and class. What is an object The Objects are the key to understanding object oriented program. In the real objects are the entities from which the world is involved. Every this that occurs around the world is connected to the interfaces between the objects in the world just as atoms, which are objects, associate to form partials and larger objects, the interacting entries in the world can be thought of as relation between and amongst both singular atomic as well as compound composed objects. For each object that you see, ask yourself two questions the questions are given below 1What is the possible states can this object is in2What is the possible behavior can this object performsAround the world objects are share two characteristics State properties describe the characters Behavior methods what it can do or what done for it. State The state of an object includes all of the static properties of the object plus the current dynamic values of each of these states. A state is distinctive or an inherent characteristic, quality, trait, or feature that distribute to making an object uniquely. Word uses an attribute, or data member, to refer to the state of an object. Behavior Behavior is how an object reacts and acts, in the terms of properties changes and interactions with other objects. An operation is some action that one object performs upon another in order to promote a reaction. The word called as method that uses to describe object method in java. Entreating a method reasons the behavior to take place. Some Example for state and behavior State Behavior NameTalking ColorWalking BreedBarking HungryFetching. What is Class The class is simply a representation of a type of object. The class is a design or plan or template or a set of instructions to build a specific type of object. Each and Every object is built from a class. Every class should be designed and programmed to complete one, and only one, thing. Each and every class is designed to have only one single responsibility many classes are used to build an entire application. Around the world the class describes three things. Name similar properties attributescommon behavior operationsDifferent between object and class ClassA class is a description of properties which are common of an object A notion. A class could be said as a section of a system application. You define all the properties and functionsCan create subclass ObjectAn object is a representation of a single instanceAn occurrence. An object is part of data and a program execution. Cant create sub Object. Conclusion In this task I have explained what is object and what class it describes the difference between them is and clearly explained with suitable examples of what is an object and class. Task 0. 2 2. 1 Draw Class Responsibility Collaboration CRC cards keep the complexity of the design at a minimum. Inroduction The following task conains all the details of what is a crc card and how it relates to the system and I have drawn all the crc card according to the current system below.