TreeSet Details part 5

This Video explains Core Java - Collection Framework | TreeSet Details. Training Tutorial delivered by our Trainer Durga Sir.
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[@umeshmor820]

Simply superb explanations ,Thank you so much sir for all the sessions .Its the the work of scholars like you who can contribute to the society , inspire and help people to learn the things easily.Hope wishes of all your viewers encourages you to keep up the best work ..Thank you so much .

[@gprahalladrao]

No doubt Durga Sir is demo god of Java

[@vaibhavsingh6917]

We can also use Lambda Expression here TreeSet treeSet = new TreeSet( (Object o1, Object o2) -> { Integer i = (Integer) o1; Integer j = (Integer) o2; if (i < j) return 1; else if (i > j) return -1; else return 0; } );

[@jvsnyc]

You certainly can. Venkat S pushes everyone hard to try to only do one-line lambdas, we could still define a function and pass it in as a method reference and make (almost) everyone happy.

[@priyanshuborthakur7773]

Superb. The way you explain things is simply great.

[@DurgaSoftwareSolutions]

Priyanshu Borthakur View 42 videos on Collections in Java, kzbin.info/www/bejne/qHqWh55_qahjm6M View 5 videos on JSF, kzbin.info/www/bejne/qHLEYqqtjLGqZ7s View 50 videos on Oracle, kzbin.info/www/bejne/pomYiH2ZqdNmgdk View 35 videos on Hibernate, kzbin.info/www/bejne/iYubkpWHaNugmsU View 115 videos on Data Structures, kzbin.info/www/bejne/pXKkmnWHe7h4n80 View 58 videos on Struts, kzbin.info/www/bejne/pIrUpKGofaymh8k View 74 videos on Spring, kzbin.info/www/bejne/j6HWd4drZdKnntU View 41 videos on CRT, kzbin.info/www/bejne/nHW1n36GrtuFZ5Y View 12 videos on JAVA Reflections API & Annotations kzbin.info/www/bejne/eKmmqGOrid2NiNU View 39 videos on Java Real Time Project Implementation on Spring,Struts & Hibernate, kzbin.info/www/bejne/n3zRk2N3nLCNgJI

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[@DurgaSoftwareSolutions]

Durga Software Solutions Hi, We are very Happy to say Our Expert Faculty Durga Sir's One-to-One Video Sessions on "Core Java with SCJP/OCJP" are available. Shooted from direct Class Room. YOu can access these videos from anywhere anytime. Around 200+ hours training, 178 Videos with clear explanation on every concept. 100% Satisfaction and Perfection in Subject guaranteed. For Demo Sessions Please call or drop a mail to us... DURGASOFT Online Training ph: 91-8885252627 mail :[e-mail], [e-mail] Demo Sessions on youtube: 1. Language Fundamentals(16 Videos)kzbin.info/www/bejne/m4W7lWtvqZ2hnas 2. Operators & Assignments(7 Videos)kzbin.info/www/bejne/Z3uqgIOeft6bd68 3. Flow Control(6 Videos)kzbin.info/www/bejne/jmfVhGyseZ5gp68 durgasoft.com durgasoftonlinetraining.com facebook.com/durgasoftware durgajobs.com facebook.com/durgajobsinfo

[@ashwanisingh-dp7ce]

Why tree set has repeated number.. It should have unique value as it implements set interface

[@jayap8355]

Same doubt... Wouldn't it give an error?

[@adityasaxena6619]

Sir you said if we add first object then there would be no comparision but it is comparing even for first value also compare(10,10) is running please explain why?

[@DurgaSoftwareSolutions]

Hello Aditya. Plz contact our online team [e-mail] or call us on this number [phone], 7207212427/28

[@virtuevishnu]

You are awesome sir, God bless you.

[@ajaywankhade5054]

Thank u sir

[@shaileshsingh8413]

Effortlessly good thank you sir...

[@mharisundar1]

Very detailed explanation, really thanks .

[@chandansamant07]

Nice trick...for implementing descending..

[@manishaagarwal5385]

There is a typing mistake happen in notes that t.add(20) when it compare (20,10)--> it'll return -ve value but it mentioned as +ve ..so plz update the notes.

[@abhilashkokkonda1713]

Excellent

[@jayap8355]

Sir, As duplicate objects are not allowed in treeset, then how you took t.add(20) and t.add(20) Please clear my doubt

[@DurgaSoftwareSolutions]

Hello Jaya. Plz contact our online team [e-mail] or call us on this number [phone], 7207212427/28

[@TheIndianVCC]

How can I get this full course by Durga Sir, Online?

[@DurgaSoftwareSolutions]

Hello Friend. Plz contact our online team [e-mail] or call us on this number [phone], 7207212427/28

[@ravi9516]

Excellent sir!!!

[@DurgaSoftwareSolutions]

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[@sanjay-fr5ul]

Sir, in the last section of this video you have shown to add duplicate values by returning +1 or -1 So does it violates basic properties of Set??? Plz reply

[@edwindhina]

sandy1316, you can avoid this by including the below code. if(integer1==integer2) return 0; else return 1; this code will eliminate duplicate. Basic idea is compare() method will do whatever we write in it. It wont mind the basic rule what Set has to follow. simple as that. Hope it helps you/

[@ranirawat9810]

sir please can you tell, even though in mycomparator class you only implements comparator interface. then how you are directly using compareTo() method of comparable class. For using compareTo() method dont you need to implements comparable interface. It seems bit confusing to me.

[@PawanKumar-zb3lu]

@RANI RAWAT actually he is using compareTo() method with Integer object and all Wrapper classes and Strings implements Comparable interface and compareTo() method is public so directly can be used....Hope this will help u

[@prashantjadaun6952]

only best

[@rajivraghu9857]

Super Explanation.. :)

[@aartimali838]

Awesome !

[@rahulkad5392]

Sir here only 10 insert what is the error there

[@DurgaSoftwareSolutions]

Hello Rahul. Plz contact our online team [e-mail] or call us on this number [phone], 7207212427/28

[@rajeshreddyalla7636]

thank u so much...sir really awesome

[@DurgaSoftwareSolutions]

Rajesh Reddy Alla View 42 videos on Collections in Java, kzbin.info/www/bejne/qHqWh55_qahjm6M View 5 videos on JSF, kzbin.info/www/bejne/qHLEYqqtjLGqZ7s View 50 videos on Oracle, kzbin.info/www/bejne/pomYiH2ZqdNmgdk View 35 videos on Hibernate, kzbin.info/www/bejne/iYubkpWHaNugmsU View 115 videos on Data Structures, kzbin.info/www/bejne/pXKkmnWHe7h4n80 View 58 videos on Struts, kzbin.info/www/bejne/pIrUpKGofaymh8k View 74 videos on Spring, kzbin.info/www/bejne/j6HWd4drZdKnntU View 41 videos on CRT, kzbin.info/www/bejne/nHW1n36GrtuFZ5Y View 12 videos on JAVA Reflections API & Annotations kzbin.info/www/bejne/eKmmqGOrid2NiNU View 39 videos on Java Real Time Project Implementation on Spring,Struts & Hibernate, kzbin.info/www/bejne/n3zRk2N3nLCNgJI View other videos on ADV JAVA kzbin.info/www/bejne/bmTNfaSKdsekh7c

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[@anilkumar-po4qr]

great

[@grvlal]

Epic!

[@SUNNY143CHANDU]

thankyu sir

[@DurgaSoftwareSolutions]

Sunil kumar View 42 videos on Collections in Java, kzbin.info/www/bejne/qHqWh55_qahjm6M View 5 videos on JSF, kzbin.info/www/bejne/qHLEYqqtjLGqZ7s View 50 videos on Oracle, kzbin.info/www/bejne/pomYiH2ZqdNmgdk View 35 videos on Hibernate, kzbin.info/www/bejne/iYubkpWHaNugmsU View 115 videos on Data Structures, kzbin.info/www/bejne/pXKkmnWHe7h4n80 View 58 videos on Struts, kzbin.info/www/bejne/pIrUpKGofaymh8k View 74 videos on Spring, kzbin.info/www/bejne/j6HWd4drZdKnntU View 41 videos on CRT, kzbin.info/www/bejne/nHW1n36GrtuFZ5Y View 12 videos on JAVA Reflections API & Annotations kzbin.info/www/bejne/eKmmqGOrid2NiNU View 39 videos on Java Real Time Project Implementation on Spring,Struts & Hibernate, kzbin.info/www/bejne/n3zRk2N3nLCNgJI View other videos on ADV JAVA kzbin.info/www/bejne/bmTNfaSKdsekh7c

[@DurgaSoftwareSolutions]

Durga Software Solutions View 9 videos on ENUM, kzbin.info/www/bejne/imLJfoqtfp53Z6c View 16 videos on Serialization, kzbin.info/www/bejne/mHrdl6Wsmdlqp68

[@khushgandhi6638]

👌👌👌👌💗

[@rahulkad5392]

Plz sir reply

[@DurgaSoftwareSolutions]

Hello Rahul. Plz contact our online team [e-mail] or call us on this number [phone], 7207212427/28

[@shrutigoyal600]

JVM is going to dancee ...!!!

[@surveaniket558]

sir, upload the video on map

[@DurgaSoftwareSolutions]

Hello Anil. Plz contact our online team [e-mail] or call us on this number [phone], 7207212427/28

[@akshayudeg9467]

Nice sir you are only JVM❤

[@pagalshaitan6495]

sir please, upload the video on Map and Queue.your explanation is too good.

[@jvsnyc]

kzbin.info/www/bejne/poSqp5WAbKx9bJo

[@rexsam3134]

JVM is a blind person.....

[@ManishRajlani]

I hv 4 yrs exp of java but never took interest in collection as it seems to be boring topic earlier..But this time...really awesome. Kindly upload map's tutorial too. Thanq so much..:)

[@DurgaSoftwareSolutions]

Collection Navigation page (Order of topics)durgajobs.com/durgasir-collectionframework-youtube-videos-with-notes.htmlJAVA FAQS Navigation page (Order of topics)durgajobs.com/Java-interview-questions-by-durga-sir.html

[@rameshteju69]

Durga Software Solutions 404 Not Found

[@snigdhareddy938]

I have read so many articles about comparable and comparator interfaces but unable to understand perfectly. This is the best explanation I have ever read or heard. Hatsoff!!!!!

[@DurgaSoftwareSolutions]

Hi Snigdha. Thank you very much for your feedback

[@vmuralee1061]

Hello Sir, compareTo() method is from comparable interface and its from java.lang package. but how you are using compareTo() method in comparator. how its possible to executed please explain it.

[@chithanurivenkatesh5575]

Hi Muralee.. Let me take this opportunity to answer your question.... As we know that the 'Integer' wrapper class implements Comparable Interface, we can use compareTo() on an 'Integer' class object. Ex: I1.compareTo(I2); Here, I1 is the object of 'Integer' wrapper class

[@418aditya3]

Excellent videos on TreeSet Kudos

[@Zana_sh]

Awesome Sir !!

[@santruptamishra8314]

In Treeset, duplicates are not allowed, how come 20 is inserted twice?? please explain.

[@shubhammhatre4743]

We have complete control over comparator () . 20 is inserted twice because we added such code. Jvm will blindly follow that code. It won't check for set's basic property. I hope you get it.

[@thelight_]

Truly Java Guru!

[@neerajsharma8610]

Sir, you explain the thing in superb way. but please upload the video on Map interface and its corresponding classes.

[@DurgaSoftwareSolutions]

Hi Neeraj. Plz contact our online team [e-mail] or call us on this number [phone]

[@mousominath5126]

kzbin.info/www/bejne/poSqp5WAbKx9bJo

[@krish0007]

Awesome..!

[@thanujames1668]

Can u provide the link for map tutorials

[@DurgaSoftwareSolutions]

Hello Thanu James. Plz contact our online team [e-mail] or call us on this number [phone], 7207212427/28

[@chicku975]

How do you arrange 10, 0, 7, 9 in tree set in descending order ?

[@jitendravarshney7918]

really supereb

[@DurgaSoftwareSolutions]

jitendra varshney View 42 videos on Collections in Java, kzbin.info/www/bejne/qHqWh55_qahjm6M View 5 videos on JSF, kzbin.info/www/bejne/qHLEYqqtjLGqZ7s View 50 videos on Oracle, kzbin.info/www/bejne/pomYiH2ZqdNmgdk View 35 videos on Hibernate, kzbin.info/www/bejne/iYubkpWHaNugmsU View 115 videos on Data Structures, kzbin.info/www/bejne/pXKkmnWHe7h4n80 View 58 videos on Struts, kzbin.info/www/bejne/pIrUpKGofaymh8k View 74 videos on Spring, kzbin.info/www/bejne/j6HWd4drZdKnntU View 41 videos on CRT, kzbin.info/www/bejne/nHW1n36GrtuFZ5Y View 12 videos on JAVA Reflections API & Annotations kzbin.info/www/bejne/eKmmqGOrid2NiNU View 39 videos on Java Real Time Project Implementation on Spring,Struts & Hibernate, kzbin.info/www/bejne/n3zRk2N3nLCNgJI

[@DurgaSoftwareSolutions]

Durga Software Solutions View 9 videos on ENUM, kzbin.info/www/bejne/imLJfoqtfp53Z6c View 16 videos on Serialization, kzbin.info/www/bejne/mHrdl6Wsmdlqp68

[@JayHulageri]

AWESOME !!!

[@DurgaSoftwareSolutions]

Jay Hulgeri View 42 videos on Collections in Java, kzbin.info/www/bejne/qHqWh55_qahjm6M View 5 videos on JSF, kzbin.info/www/bejne/qHLEYqqtjLGqZ7s View 50 videos on Oracle, kzbin.info/www/bejne/pomYiH2ZqdNmgdk View 35 videos on Hibernate, kzbin.info/www/bejne/iYubkpWHaNugmsU View 115 videos on Data Structures, kzbin.info/www/bejne/pXKkmnWHe7h4n80 View 58 videos on Struts, kzbin.info/www/bejne/pIrUpKGofaymh8k View 74 videos on Spring, kzbin.info/www/bejne/j6HWd4drZdKnntU View 41 videos on CRT, kzbin.info/www/bejne/nHW1n36GrtuFZ5Y View 12 videos on JAVA Reflections API & Annotations kzbin.info/www/bejne/eKmmqGOrid2NiNU View 39 videos on Java Real Time Project Implementation on Spring,Struts & Hibernate, kzbin.info/www/bejne/n3zRk2N3nLCNgJI View other videos on ADV JAVA kzbin.info/www/bejne/bmTNfaSKdsekh7c

[@DurgaSoftwareSolutions]

Durga Software Solutions View 9 videos on ENUM, kzbin.info/www/bejne/imLJfoqtfp53Z6c View 16 videos on Serialization, kzbin.info/www/bejne/mHrdl6Wsmdlqp68

[@DurgaSoftwareSolutions]

Durga Software Solutions Hi, We are very Happy to say Our Expert Faculty Durga Sir's One-to-One Video Sessions on "Core Java with SCJP/OCJP" are available. Shooted from direct Class Room. YOu can access these videos from anywhere anytime. Around 200+ hours training, 178 Videos with clear explanation on every concept. 100% Satisfaction and Perfection in Subject guaranteed. For Demo Sessions Please call or drop a mail to us... DURGASOFT Online Training ph: 91-8885252627 mail :[e-mail], [e-mail] Demo Sessions on youtube: 1. Language Fundamentals(16 Videos)kzbin.info/www/bejne/m4W7lWtvqZ2hnas 2. Operators & Assignments(7 Videos)kzbin.info/www/bejne/Z3uqgIOeft6bd68 3. Flow Control(6 Videos)kzbin.info/www/bejne/jmfVhGyseZ5gp68 durgasoft.com durgasoftonlinetraining.com facebook.com/durgasoftware durgajobs.com facebook.com/durgajobsinfo

[@jayneshahir8815]

if mycomparator class is using compareTo method shouldn't it have to implement comparable interface ??

[@Bigdaddy91982]

I'm learning too, according to my understanding, we are implementing the Comparator interface from the java.util package and the Comparator interface has two methods defined, they are compare() and equals(). Therefore, you are implementing the compare method that is already defined in the comparator interface. If you don't need a custom sorting technique, JVM uses compareTo() internally to sort the entities and you don't need to implement comparable interface. Hope this helps!

[@jayneshahir8815]

Vamshi Gudipati yes thats true but I got the correct answer which is all the wrapper class and string class already implements comparable interface which contains compareTo method.😊🤗