Class, object and method in Java(fast):Java tutorial Part 9 смотреть онлайн

Class, object and method in Java
Java:
1. Classes
2. Objects
3. Method
Class creation with its syntax and definition is explained.
Object creation is explained which is a instance of Class with access to variable and method.
2 type to variables are defined
a) Class variable
b) Instance variable
With their use in java coding.

Use of dot operator and new keyword have been explained.
What are method is explained with their definition
2 types of methods are explained
a) User defined method
b) Predefined method

Java programs are written to explain the difference between user defined method and predefined method.


One Java code is written to calculate area of Rectangle .
by creating class and using 2 methods for getting the length and width and another one for calculating the area of rectangle.

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