Definition object oriented software

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C Programming. Control System. Data Mining. Data Warehouse. Javatpoint Services JavaTpoint offers too many high quality services. In this section, we will discuss in-depth what is object-oriented programming? Object-Oriented Programming The word object-oriented is the combination of two words i. Points to Remember Everything is an object Developer manipulates objects that uses message passing.

Every object is an instance of a class. The class contains the attribute and behavior associated with an object. Abstraction Encapsulation Inheritance Polymorphism Let's discuss each in detail. Abstraction The concept allows us to hide the implementation from the user but shows only essential information to the user.

There are the following advantages of abstraction: It reduces complexity. It avoids delicacy. Eases the burden of maintenance Increase security and confidentially. Encapsulation Encapsulation is a mechanism that allows us to bind data and functions of a class into an entity. Inheritance The concept allows us to inherit or acquire the properties of an existing class parent class into a newly created class child class. Polymorphism The word polymorphism is derived from the two words i.

Class A class is a blueprint or template of an object. The following figure best illustrates the class and object in OOP. Apart from these core concepts, there are some other object-oriented concepts used in OOP. Coupling In programming, separation of concerns is known as coupling. Since using loose coupling is always a good habit. Cohesion In OOP, cohesion refers to the degree to which the elements inside a module belong together.

There are two types of cohesion, i. High and Low. High cohesion is associated with several required qualities of software including robustness, reliability , and understandability. Low cohesion is associated with unwanted qualities such as being difficult to maintain, test, reuse, or even understand. High cohesion often associates with loose coupling and vice versa. Composition Composition is one of the vital concepts in OOP.

Association The association defines the relationship between the objects. Why should we use OOP? Where it is used? Benefits of OOP Modular, scalable, extensible, reusable, and maintainable.

It models the complex problem in a simple structure. Object can be used across the program. Code can be reused. We can easily modify, append code without affecting the other code blocs. Provides security through encapsulation and data hiding features. Beneficial to collaborative development in which a large project is divided into groups.

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