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ArrayList details (Collection Framework)
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- čas přidán 14. 08. 2024
- This Video Session explains Core Java - Collection Framework | ArrayList details. Training Tutorial delivered by our Trainer Durga Sir.
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Topic : ArrayList details
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I got a job after 3 years of break only cos of ur videos. Never referred any other materials for the interview. 24 hrs of preparation and at first shot, got through. Your videos r helping much more than u might think. Want spring, webservices, RPA tools etc with you being the tutor. Thank you so much Durga sir.
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Sir hatts off to you 🙏, you have explained it so easily, ireally loved the content. Thank you so much 🙏
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@Durga sir
You showed me how capable I am of achieving great things and
I'll always be grateful to have had you for a teacher.
This video was extremely helpful. I've never seen any other tutorial which explains these concepts so clearly. Felt like I was in a classroom from my student days. Thank you so much Sir!
Thank you Durga Sir for this detailed explanation. Your videos are super helpful. Durga Sir is truely genious.
The knowledge You r providing to us is priceless
Truly You are the person who is making our life easy live
Thank u its enough but still Thank very much @DURGA SIR
For giving way a to make the place in in IT SECTOR
Perfect Sir !! realized Java Means Durga Sir...!! Kepp it up...investing thousands of money for private coaching but not getting such excellent deep knowledge....u Rockss..
Hi Sagar. Thank you very much for your feedback
You are god of java..And also knows how to put knowledge in other minds
Thank you sir , You are GOD for us. Many Many Best wishes for you and your family..
U r giving a great positive energy.
Please keep it up.
You sir are an unsung hero for many.
🙏🙏🙏 great explanation he very humble and clear cut explanation thank you so much Sir
Connecting the dots is the crucial part of this lesson
Really, you made this topic very easy to understand for all...
Sudeep Kumar
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Sir, you are very best👍 java teacher
Thank you sir, all your videos are very helpful and you will deliver all the concepts clearly with memorable example...
Hi Prasad. Thank you very much for your feedback
Making concepts so clear and easy ,God bless you sir .Thank you very much .
ravi kiran
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Stunning!!! Can't Get Better Than This!! Hat's Off To You!!
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Thank you so much Durga sir......how much subject we have that's not matter....how we explain that is important......very nice video...I am also one of the flowers in CZcams for you
Hi Srinivas. Thank you very much for your feedback
Thanks for the video sir, the best part about your session is you get in depth and make it simple for us to understand. May I please know if you have any playlist/video to understand the implementation of data structures in java?
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you are great sir. Nice explanation.
The hero of java
Thank you sir.Clear explanation. Many doubts are cleared
Hats off to you sir.Just Awesome explanation
Nice !!! Enjoyed your SI (South Indian ) style Englishaa.
Arindam Mukherjee This is not Communication classes, how great effort he is doing to explain everybody, so enjoy Bangdu.
Anjum Khan I believe in perfection! Making it available in the Web means it is for global use. Read about communication barrier.
Arindam Mukherjee you are right, but everybody has some limitations, but make fun of style, that bother me. As you know india is multi language country, it is not possible to everybody on same page.
Anjum Khan agree!
Look at they say ? what does it mean ?
The explaination is vey clear, i had a doubt.how can we add int(primitives) to arraylist(or any collection). you have told in the previous class that we can add only objects to collections and not the primitives. plese clear my doubt
+BHARATH RAJ whenever you add primitive to Collection classes, it internally convert Primitive to its equivalent object type. like int to Integer and so on.
Just to be precise, as per ArrayList implementation,
newCapacity = OldCapacity + OldCapacity>>1 (right shifting of the number) which turns out to be around 1.49-1.5 times the oldValue
new capacities are -> 10,15,22,33,49,73 and so on
Up to JDK 6 the the capacity grow with formula newCapacity = (oldCapacity * 3/2) + 1.
In JDK 7 and above the formula changes to newCapacity = oldCapacity + (oldCapacity >> 1).
you are best Durga sir.. thanks for every video...
best explanation ever...thanks sir
best explanation ever..cleared all my doubts..thnks :)
THANK U AKASH
if current capacity is odd then when divided 2,we get fraction.then what we do?
we take ceiling or floor value?
Excellent explanation ...thanks so much........
Excellent. Nailed it.
hi Ayushi ... thank u very much for your feed back.. u can watch more videos of Durga sir on Core Java With OCJP/SCJP:Devlopment. by clicking the following link ..czcams.com/play/PLd3UqWTnYXOkYSrI3Ji-cmIWE9_qSh8oq.html
Superb explanation sir!! You are great😊
Excellent video, glad to find this
Very informative session
i fall in love wid ur knowledge ........................
Very easily explained. Thank u so much for this wonderful explanation Sir.
Very Informative, Thank you Sir !
King of concept........!
I Binge watch his videos over Netflix ❤
Its 2022 and Its still worth watching :)
Very very best explanation :)
Spectacular explanation about collections.
Srinivas p
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Excellent explanation!, and thanks for making this public
Srikanth Valluri
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kudos to you Guruji..
You are the Java Guru.... Period...
great teaching sir
Great way of explanation.
Thank you!.
Hi sir, what will happen if we write like :
List a = new ArrayList() or
Whatever constructors u have explained that can we store in the list object??
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what an amazing video i love it
Your teaching is awesome sir. Thank you so much sir
god bless you sir
excellent sir
thanks. great video. I just found out thatArrayList myAlist = new ArrayList(0); is perfectly valid and as is growable can store any number of values.
Explanation looks awesome, but sorry for the funny accent!!
Thanks for uploading it
Realy u are the collection f/w king, but can you provide scenario based coding on all interface and class under collection, if these come then its realy 2 we will collection king in the word
thanks Durga sir
Cloneable, Serializable, RandomAccess all these interfaces are marker interfaces. How does these interfaces work? What is the use of marker interface when it doesn't contain any feilds or methods?
mrbool.com/what-is-marker-interface-in-java/28557
awesome tutorial.......................
Hi Keshari. Thank you very much for your feedback
How does ArrayList Store the heterogeneous objects? As we mention the type of object while initializing ArrayList-
List list = new ArrayList();
Maybe we can use generics
Sir, if we remove 1st position element in the ArrayList then why that position can't be null as you said earlier in the video. What is the necessity of shifting next position elements to one position forward?
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Awesome Explanation +1.
Hi Piyush. Thank you very much for your feedback
Thnku sir,this video helps a lot for easy understanding.
You are genius sir
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Sir u tell arraylist take memory dynamically by this formula
new capacity=initial capacity*3/2+1 (1) nc=(10*3/2)+1=16 (2) nc=(16*3/2)+1=25
(3) nc=(25*3/2)+1 how can find it
xxx
stackoverflow.com/questions/15430247/why-start-an-arraylist-with-an-initial-capacity
Explanation is very clear, thanks.
Sham Kumar
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Very nice explanation sir
Sir,can you upload video on "Working with Math and Random classes" It would be very helpful sir .
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This guy never being sad
Concept of Square brackets is very well explained
HI K S S Srihari tq.
Great lecture
Having a doubt. Collection is used to store group of objects as a single entity. Here string is object but 10 whic we are storing is int which is primitive data type and collection can't hold primitive type. Then how this example works ..Will anyone explain pls??
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Sir, but I am trying ArrayList al = new ArrayList(); so now with current versions of java I am getting add OR any methods of List. I searched for these so I got because of generic introduced. please help me then can we keep hetrogeneous data in ArrayList or not
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Hi durga sir, i am trying to show db records in view page (spring mvc applic). And resultset contains 500 rows but in view page it show last row of resultset 500 times. I am adding my all records in list but while it returning the list from dao class to controller it only returns last record of db. Can you plz suggest ? Can i add the all resultset rows in single list and return?
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Thank u Sir ...
Thank You Much!!! Durga Sir. Your teaching style is amazing !!! God Bless
Hi Thomas. Thank you very much for your feedback
Instanceof Serializable of ArrayList comesh false in my program..But it is true in your program...clear my confuced..
Give me reply plzzz
This is great video, Salute Sir
Awesome , , , explaination.
Thank you! :)))
thank u sir
Wonderful Explanation
Too Good Explanation, Keep Up the good work!!!
Ganesh G
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Please Update The Calsses with the updated versions of Java
is it possible to use foreach or iterator for hetrogenious object if yes than how?
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if ArrayList preserves insertion order , then how the "2" will be shifted from index 2 to index 1, here -> 31:42 . in this way i wont be getting the the data (2) in the index position 2 where i was inserted earlier ! right ??
Sir plz make video on spring boot framework
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Very nicely explained... Thanks
VIJAY GORAMBEKAR
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In the arraylist example at 16:50 l. Add(), 2 should not be in quotes
+wwehhh007 He is adding String 2 may be. U can add any datatype.
but sir LinkedList does not implements cloneable interface but you said it implements can you please clear my doubt about it ?
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Well explained!
tq sir. Hope to meet u in person some day!!
Add Employee object as Generic is not covered? new capacity formula is now differenr
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thnxs sir,awasome explaination.
Deepika Adwani
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Thnx :)...very nicely explained
vimal gandhi
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