Java Tutorials 03 : Objects , Classes , Methods , Instance Variables

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In this tutorial, We'll learn what are objects, classes, methods and instance variables.

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This is not product of intelligence only. It is knowing what people actually need. I can't express my joy enough here. It took me one year to read many programming language books and many videos without grasping "what is actually going on". I'm now " following " with this video. Thanks you so much. Much love.

universalspace

Good explanation, but arguments/parameters ( 2:13 ) are not the same thing. Arguments are the values that are passed to a function when it is called. Whereas parameter is a variable or in simple term a value defined with a function so that it can accept/ receive a value and perform some computation when the function is called.

technosoid

thanks, coming over from C++ all my lecturer has taught has only given me question marks, this just solved it

JerelTeh

Mam please make a video on total Java course
Please
It's very understandable while you teach

Thanks

KSPastime

Great explanation, if you already know a little bit about Java.

HardeepSIngh-buzn

I like that you simplified the basic definitions with a visual presentation. For a new learner of Java and pretty much any programming this tutorial was very helpful and I truly appreciate it. Thank you!

herminiamsimpson

This video is Still bestt ....It gave me all Concept ❣️✨

petworld

"instance variable" is something you invoke outside your main it right?

rameezify

Good explanation thank you have a good day :)

Thebabario

in @3:38 please could you tell me which is object and which is instance of class? Thank you Maam

ThatDudeUKChronicles

Thanks sister you made this things very simple and understandable for me😃

abhikkarmakar

Thanks for making it easier to understand, I never understood what were classes, methods, etc.

SuperNeowiz

Can someone correct me if I am for more accurate clarity @ 1.37/4.34, should the class not be called Ball and the object or instance of the class be called football? This then gives way to the instance of the class having instance variables.... Just wondering ...

ciaranmckenna

Good video. I started trying to learn how to program today and I think it would be helpful for a beginner to understand what the code is saying and what needs to be written in order to say that. For example, at 3:12 it only says "int size" and the fact that it's a variable.

I think it would be helpful to tell people that in the part that says "int size" you would write a numerical value e.g. (2ft) that would describe the height of the dog. You wouldn't write "string color" in the code as shown. Define that "string" is a noun like the name of a person and it has no numerical value. What you would actually write in that variable would be what color you would want your dog to be e.g. "red"

cristian

This is a good intro to programming. Without an introduction to objects, classes, methods etc as described here, then programming will be gobbledygook to the beginner.

redrobin