Complete Java Collections Framework in 1 Video - Java Collections Framework

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In this video we're going to learn complete Java Collection Framework. This video is designed for beginners. We're going to cover every important Data structures and Algorithms provided by the Collection Framework.

0:00 Overview
2:14 Collection Interface
4:46 ArrayList
17:24 Iterator
19:12 Stack
22:27 Queue and LinkedList
29:19 PriorityQueue
34:19 ArrayDeque
39:03 HashSet
43:59 LinkedHashSet
44:46 TreeSet
46:00 Sets of Custom Classes (hashCode and equals)
53:03 HashMap
1:00:29 TreeMap
1:02:49 Arrays Class
1:05:35 Collections Class
1:07:49 Sorting Custom Collections
1:08:55 Comparable Interface
1:11:57 Comparator Interface

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My 6 months of coding knowledge and understanding in 1 hr 15 minutes.

To those people who had trouble understanding hashcode, equals, comparator, comparable: just keep trying, you will understand it. Comparator is really important because sometimes to solve a Q, you need to sort the input data in a particular way, which can be easily done with the help of comparator.

nishantgautam
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this is what I've been looking for and I'm glad you've made a video on it! You have one of the best teaching style

pragyasingh
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Hands down by far the best tutorial on Java Collections Framework. Crisply explained :)
Thanks Anuj

arpitverma
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What a wonderful description of such complicated topic. You surely did such a commendable job with this. Much appreciated for such wonderful content. Loved it.

adityadwivedi
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The way covered this whole framework, really appreciate your effort. Otherwise I would drop collection before start. Brief and to the point video now I can dive deeper into data structure.

Vikasyadav-llgn
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Thanks a lot for this! As an experienced Java professional I can say that this is going to be immensely helpful to lot of us.

iliyas
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Thanks, Man. Just amazing. I was looking for a short video to go through the collections and this popped up. Keep up the good work

sharifkhan
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This was exactly what I like. Direct to the point, no testing patience by over repeating sentences or pauses or slow. Superb! Thanks.

shagul
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This was great!
My suggestion for next video would be for advanced collection concepts.
A few examples
1) Advanced functions like map.compute()
2) How collections are internally implemented
3) Thread safe collections like concurrent map and synchronized set and their internal workings.

karanpatel
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I am so glad you finally made this video i was waiting for that . Thankyou so much ❣️

_ritusharma
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This is so simple & amazing! I always get confused in collections but I think now i know the clear difference. Thanks alot.

sabak
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Yes definitely it was very helpful. Understanding the need and use of collections with such ease. Awesome video if you want to have a quick refresher :)

gauravshri
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"Yes, It was Helpful" The way you divide the tutorials into subsections helped me to complete this lecture in a span of 4 days.

paramjotsingh
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Video content and quality were superb.
The best thing was you skipped the part where you typed everything and directly showed the methods and output.
Super useful video for a quick recap of all these topics. 👌🏻

punitmishra
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This is helping me a lot, preparing for interviews with this and your DSA Series. Thank you again!

anujpotdar
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Awesome video, really enjoyed it. I always used to get confused in Collections, you taught it very well.

samridhigupta
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Many many thanks sir 🙏🙏🙏🙏... it's very important, useful video for us.. whatever videos you make for us all are really very useful for us.. again lots of love and respect for you Sir🙏🙏🙏...

chinmaydas
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I have to give Interview tomorrow for Java I need a short video on java collection aur lo aa gyaa ❤️❤️❤️

AmeerHamza-mtyi
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Bro, You are a gem. Hats off to you.
You have saved 120 pages of text of reading Collection framework.
Thanks a lot and keep up the Good Work :) .

eshantkumargola
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ABSOLUTELY SIMPLE, TO THE POINT, EXPLAINED IN EXTREMELY UNDERSTANDABLE LANGAUGE .

sanveshchaturvedi