Core Java: Object Oriented Approach, Class, Object, Function, Variable | Computer Science (3/4)

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TOPICS TO BE COVERED
Taking input from the console during run-time
Scanner Class
Pre-defined Methods of Scanner Class
Object Oriented Approach
Classes & Objects
Functions
Variables
Local Variables
Class Variables
Instance Variables
Taking Input From Console- Scanner Class
We use scanner class to accept values from the console during run-time. We can use this class by making object of the scanner class.
For Example:
Scanner s=new Scanner(System.in);
Scanner class is a predefined class which is defined in java.util package. That’s why to use Scanner class, we have to import java.util package.
CODE
Import java.util.*;
Here java is main package and util is a sub package created inside. Package, sub package and class is always separated with dot (.).
Pre-defined Methods Of Scanner Class
Code/Output
Oriented Approachobject
As we know, Java is an object oriented language. It supports various object oriented concepts that are as follows:
Object and Classes
Inheritance
Polymorphism
Abstraction
Encapsulation

Chapters:
0:00 Core Java
0:06 Topics
0:56 Taking Input from Console-Scanner Class
1:24 Example of Console-Scanner Class
2:08 Import Java Util
2:25 Table of Function Method
3:24 Program of the Output
5:00 Object Oriented Approach
7:00 Classes & Object
8:06 Functions/Methods
9:13 Variable-Local Variable
10:23 Variable-Instance Variable
11:22 Variable-Class Variable
12:42 Questions
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