Best core java training in Bangalore

Category: Education

Presentation Description

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Presentation Transcript

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we will learn about basics of OOPs. Object Oriented Programming is a paradigm that provides many concepts such as inheritance data binding polymorphism etc. Simula is considered as the first object- oriented programming language. The programming paradigm where everything is represented as an object is known as truly object-oriented programming language.

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Object means a real word entity such as pen chair table etc. Object-Oriented Programming is a methodology or paradigm to design a program using classes and objects. It simplifies the software development and maintenance by providing some

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Object Class Inheritance Polymorphism Abstraction Encapsulation

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Any entity that has state and behavior is known as an object. For example: chair pen table keyboard bike etc. It can be physical and logical.

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Collection of objects is called class. It is a logical entity.

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When one object acquires all the properties and behaviors of parent object i.e. known as inheritance. It provides code reusability. It is used to achieve runtime polymorphism.

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When one task is performed by different ways i.e. known as polymorphism. For example: to convince the customer differently to draw something e.g. shape or rectangle etc. In java we use method overloading and method overriding to achieve polymorphism. Another example can be to speak something e.g. cat speaks meaw dog barks woof etc.

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Hiding internal details and showing functionality is known as abstraction. For example: phone call we dont know the internal processing. In java we use abstract class and interface to achieve abstraction.

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Binding or wrapping code and data together into a single unit is known as encapsulation. For example: capsule it is wrapped with different medicines. A java class is the example of encapsulation. Java bean is the fully encapsulated class because all the data members are private here.

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OOPs makes development and maintenance easier where as in Procedure-oriented programming language it is not easy to manage if code grows as project size grows. OOPs provides data hiding whereas in Procedure- oriented programming language a global data can be accessed from anywhere.

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OOPs provides ability to simulate real-world event much more effectively. We can provide the solution of real word problem if we are using the Object-Oriented Programming language.

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