Question

Define
1.Encapsulation
2.Inheritance
3.Polymorphism
4.typecasting
5.message communiation

Answer 1

Answer:

Hei Buddy here is the answer

Explanation:

Encapsulation

Encapsulation is the process of combining data and functions into a single unit called class. ... In simpler words, attributes of the class are kept private and public getter and setter methods are provided to manipulate these attributes. Thus, encapsulation makes the concept of data hiding possible.

Inheritance

Inheritance is a mechanism wherein a new class is derived from an existing class. In Java, classes may inherit or acquire the properties and methods of other classes. A class derived from another class is called a subclass, whereas the class from which a subclass is derived is called a superclass.

Polymorphism

Polymorphism is a very important concept in object oriented programming which enables to change the behavior of the applications in the run time based on the object on which the invocation happens. This enables to easily change the system without making much changes to the application.

Typecasting

Typecasting, or type conversion, is a method of changing an entity from one data type to another. It is used in computer programming to ensure variables are correctly processed by a function.

Message Communiation

In rhetorical and communication studies, a message is defined as information conveyed by words (in speech or writing), and/or other signs and symbols. A message (verbal or nonverbal—or both) is the content of the communication process.

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Answer 2

Typecasting refers to the promotion of datatypes of variables used in an expression in the case of presence of different datatypes.

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