Constructor Concept and This Keyword in Java
ฝัง
- เผยแพร่เมื่อ 5 ก.ย. 2024
- In this video, you will learn about what is constructor and what is the purpose of this keyword in Java.
Learn:
1. What is Constructor and Constructor overloading
2. Why we use this keyword
3. Class var v/s Global Variables
Note: This is my classroom Training Video.
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@02:37 Default Constructor
@07:15 Constructor overloading/parameterized constructor
@9:02 calling constructor overloading
@12:43 Initializing class variables using constructor/usage of "This" keyword
@17:43 Alternative to "This" keyword
@20:07 | @34:31 | @40:16 Printing values of class variables using objects.
Skipped topics in the video: no-args constructor.
You explained it deeply so there is no any doubt
Anymore 😅
Extremely helpful videos , its easy to learn and implement...Thanks a ton for sharing...Keep sharing
Thanks Deepika
very good session was lot helpful,clean and clear presentation ................
Very Informative..great explanation. thanks
Hi Naveen, It would be great if you can make a video on QA effort estimation techniques for both (Functional and Automation ) , these questions are asked in interview , as you have a great knowledge and art of explaining nitty-gritty of subject., Thanks
Instablaster...
Thank you so much for your all videos.. Naveen😊... You are the best!!!
Really awesome and well explained sir..
Perfect explanation 🙏
I gained lot of knowledge from you..thank you for creating videos Naveen bro :)
Thank you so much Naveen. After watching videos on constructor ,today I got all my doubts clear.May god bless you with all the knowledge !!!!!
Hi Naveen, need your help,I followed your video " how to read excel file" in DDF.You have shared a utility as well there but when I copied it to my class, I am getting error and not able to resolve due to my limited knowledge on java codes. Can you pls reshape on let me know where I can get it from?Regards
hii monica
Very clear explanation. Thank you naveen
Hi Naveen,
Can you please explain on top of selenium web driver, how to create web driver instance using a constructor in class for every page in real time?
excellent tutorial
I have a question ,since by using this keyword in side the 3rd constructor we are assigning local variables value to global variable Name and age, can we call directly and see there value by using C.name and c.age ?
It is really interesting and able to understand the most important thing way of presentation is great.Thank you..
Thanks Suresh
the explanation is extremely good Navin, the concept of constructors is super clear for me now.thanks :)
mutual feeling, thanks Naveen
Thank you very much, Naveen! Your explanations are very clear.
You're most welcome
I understood the concept thanks a lot
Naveen is the best for java.
Super clarity .Well explained.Thanks Naveen.
Hi what is the use of constructors ?
and why do we use them in JAVA and Selenium ?
I understood the concept and wrote the notes and executed the code
Thanks In Advance
I am also having same query.
Constructor is used to initialize an object. So each time when you create an object of class you are internally using constructor to create an object. Ex : if the class name is A, then to create object class of this class you will doing as follows... A a = new A(); correct?? Here A() is constructor (Which you wrote after new keyword)
@@sharankonka7701 Thank you so much
Thank you very much for the videos. It really helped me to understand the concept.
Hi Naveen, Can you please post one video for encapsulation.
Hi Naveen the 27 java classes by you are enough for selenium to work in real time also?? Pls respond
I must say its more than enough and not because of 27 classes, its because the way Naveen has explained.
With his video tutorial I understood existing framework and already automated few modules of my project in last one month. Received appreciation from customer and they never get to know when I joined my project I was having no knowledge of java and selenium. Big thanks to Naveen. Go for all these videos you will be thankful to Naveen for entire life like me.
@@RahulJha-bu7cv very useful words bro thank u 🙏
It's crystal clear..... well explained
Hi naveen. How can u handle windows popup.. Did u uploaded that vedio.. I searced it.. I didn't get that vedio
Hi Naveen. Thanks for giving lots of knowledge. I also want to understand >> what is private and protected constructor. It would be great if you will make video on it.
Hello Naveen,
wow, very well explained. Nice videos to Learn Java & Selenium.
Thank you
Hi Naveen u are the best!!!!!
Thanks for watching
You are Awesome -> Naveen. Great Practical explanation of constructor :)
Excellent explanation. God bless u.. Can u please create a video of scanner class.
Hi Naveen,
We can call class variables with class name & Object creation ..then. Y we need constructor here.. i heared if will create object of that class by default constructor will call .. Am not understood why we need constructor ? & what is the use of Constructor? Can you please explain clearly..
Excellent sir
HI Naveen, i need help in automating one scenario,,,..there is a page with multiple listboxes and text boxes, i need to test the page by populating each value,basically i need to validate all combinations. can you suggest any ideas?
Hi sir.....after tutorial no 15 I want to know the flow of tutorials which one is coming first'
Are we allowed to use private variable in constructors?
@ naveen automation. Are you running any paid class regarding java and selenium I want to join
Plz check my blog. Naveenautomationlabs.com
Make video on PYTHON with SELENIUM...
Could uh pls upload a video on collections in java ?
Hi naveen Can you add english subtitle?
You missed one thing about this keyword - i,e calling constructor inside constructor
Hi Naveen, don't think you even need to say "If you like my video" at the and I guess its by default that everyone loves your teaching lol. My two cents.
Best comment of the day 😘
thank you