Core Java With OCJP/SCJP: Generics Part-2 || time safety || type casting

[@pawanshrestha8834]

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Completed watching on Oct 14, 2024 at 8.15 PM :)

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Sir you are literally the one that whoever watches your videos never left with any doubt it makes the concepts crystal clear.

[@DurgaSoftwareSolutions]

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[@aleph.5811]

I love how he just repeats the concept over and over and over again, really hammers the concept into your brain, super effective teacher style, thank you very much!

[@DurgaSoftwareSolutions]

Hello Aleph. Thanks for your valuable feedback.It will boost us to do new things. Please subscribe to get updates about new videos. You can view all other Core Java with SCJP/OCJP Videos by Durga sir in the following link: goo.gl/U1KKyi You an see more Java videos following link: Java tutorial by durga sir goo.gl/XWb4RL Java 9 by durga sir goo.gl/hXGyBW Java 1.8 Version New Features by Durga sir goo.gl/iHXXYU Adv Java JDBC Tutorial by Durga sir goo.gl/8q16Eo OCJA 1.8 Java SE 8 Programmer - I (1Z0 - 808 ) By Durga sir goo.gl/gC6R7f Core Java by NagoorBabu sir goo.gl/s6Nvj1 Advenced Java by Nagoorbabu sir goo.gl/ZZonzJ CoreJava by Ratan goo.gl/3VM19v Advanced Java jdbc by Ratan goo.gl/Rn2UXr Advjava tutorials - JSP by Ratan goo.gl/Z6ytxm Adv java servlets tutorial by ratan goo.gl/zTwi9y Servlet and JSP Tutorial by anji reddy goo.gl/jZMRUv Advanced Java Jdbc by Anjireddy goo.gl/16CGzX Hibernate byAnjireddy goo.gl/qQojvZ Struts by Anjireddy goo.gl/nE1Eof Spring by Mr.AnjiReddy goo.gl/NfN14R ADV JAVA by Naveen goo.gl/bhSsXF Spring by Mr.Naveen goo.gl/huVwFN Hibernate by Mr. Naveen goo.gl/TY3Wpd Struts by Mr.Naveen goo.gl/Vkmiw7

[@aleph.5811]

Thanks, I emailed you guys couple of weeks back, i'm planning to go on the core java course but I got no reply, can you please direct me to the right direction? thanks

[@denosingh]

Durga Sir you are doing great job. specially for weak background students. GOD BLESS YOU SIR.

[@AjayGosavi-dk9ze]

durga sir your teaching style is amazing ...im big fan of you.. because of you am able to understand java.. thank you so much..keep it up.. god bless you.

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I Hope Durga sir will provide all courses lectures for those who can't afford to reach him. All the lectures are very interesting and easy understandable. Thanks 4 the contribution.

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[@Srujansujju]

This is very detailed explanation and now I m fully confident on Generics.

[@DurgaSoftwareSolutions]

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[@shivaprasad9876]

Sir, it is not the concept of polymorphism, it is updating, It's quite natural to everyone, anyhow well said.

[@EngineerVaibhav]

I think Durga Sir also work for SUN Microsystem😂

[@anmolkhemuka2839]

compiler will give left and right 😂😂😂😂😂😂 sir very nice explanation

[@rocky23121989]

Thank you so much Sir. I am learning a lot from you. You teach really well.

[@hemasundarkasturi5439]

Not durga sir WE know only LEFT and Right sir 😂😂😂😂😂😂

[@gouravjindal297]

Best Java teacher in the world

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[@heroicrhythms8302]

cinema chusinatlu vuntadi sir mi class vintu vunte, super !

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[@swapnilkawar7828]

I learned lot, from your videos sir, your teaching style is very good any one can easily understand. keep it up sirji....!

[@kuldeepsahoo1602]

Nice way of explaining sir , First you told what was the problem happened before and now in the same you just explained how we could over come from that .

[@EngineerVaibhav]

174 video completed🎉❤

[@janithasampathbandara8554]

Best teacher I have ever met :)

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[@AadityaKavthekar]

Thank you so much, Durga Sir :) Really helpful lecture!

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[@rajumallick8779]

00:11 Generics ensure type safety and eliminate type casting issues. 03:07 Generics ensure type safety in Java collections, preventing type mismatches. 09:01 Generics eliminate the need for type casting in Java collections. 12:15 Understanding differences between generic and non-generic ArrayLists. 18:15 Polymorphism allows parent references to hold child objects in Java collections. 21:02 Understanding type safety and polymorphism in Java generics. 26:28 Understanding compile-time errors related to generics and type safety. 29:28 Explains generics type safety and limitations with primitive types in collections. 34:51 Generics enhance type safety in Java collections post version 1.4. 37:27 Non-generic erist class lacks type safety in Java. 42:52 Explains generics with type safety and type casting in Java. 45:20 Understanding type safety and type casting in Java generics. 50:36 Generics enforce type safety, preventing invalid type additions. 53:33 Generics in Java ensure type safety and eliminate type casting. 58:42 Understanding type parameters in generics and their application in Java classes. 1:01:26 Generics can be applied to custom Java classes for type safety. 1:07:06 Explains generics in Java, focusing on type safety and type casting. 1:10:04 Understanding Java Generics: Type Objects and Custom Classes 00:00 Understanding type safety and type casting in Java Generics.

[@alishreef6249]

nice explanation sir , but the title is not correct the "time safety" replace it by "type safety" sir thank you for this video sir , go a head :)

[@ahmidahmid9303]

greatly explained thanks for sharing

[@DurgaSoftwareSolutions]

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[@prasadchavakula8451]

Great sir.. Nice explanation

[@DurgaSoftwareSolutions]

Hi Prasad. Thank you very much for your feedback

[@mangeshchikhale6986]

Hello Durga Sir, Please Upload the videos of **annotations** taught by you. I cant understand others teaching style..So waiting for your videos of ANNOTATIONS...

[@singhanand1236]

You are the best in this world!

[@DurgaSoftwareSolutions]

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[@shubhamojha37]

You are great

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[@ajitbombe5168]

Clean learning...!

[@harikumar4all]

Clear Explanation sir

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[@राजनगोंगल]

👍👍👍👍👍👍

[@anikyt7570]

This is awesome video ... Thank you Durga Sir ...

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[@cmuthukumar83]

Bloody object argument.... ha...ha...ha Well Said Sir :)

[@NikhilKhot369MH]

thanks alot sir

[@anmolkhemuka2839]

really you explain very nicely thank you sir

[@DurgaSoftwareSolutions]

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[@ncthayupillai9625]

why collection cannot hold primitive data types plz explain? Al l=new Al(); y here coming incompatable type litte confusion in that sir, why arraylist accepts only reference types as its elements not primitive data types. when trying to do so it produes as a compile time error

[@DurgaSoftwareSolutions]

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

[@theartist8835]

Because collections were not designed to support primitive types but rather objects.

[@jvsnyc]

These things will be added to the language in Project Valhalla, which was expected already, I stopped following it too closely, it has taken a long time....

[@gauravsrivastava17]

❤

[@sanketatmaram]

Thanks Sir

[@rajkoli8150]

Love u soooo much sir ........I thought now I am a king of collections .....thank u sooooo much sir ....and sir but we are all in some difficulties in servlet and JSP sir can u pls provide us for servlet and JSP videos sir pls sir

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[@rajkoli8150]

@@DurgaSoftwareSolutions thank u soooooo much sir and u are great hero in teaching sir really love u sooo much sir thanks again

[@AnkitKumar-dm5qp]

Great sir..plzz provide SPRING lecture

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

[@P2DCREATIONS]

Thank you sir excellent explanation

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[@dhanushsivajaya1356]

Thankyou sir

[@jazeemkhan602]

Thank you 👍

[@TheAbhidugar]

1. List list = new ArrayList(); 2. ArrayList list = new ArrayList(); What is the difference between these two? What to use and why?

[@DurgaSoftwareSolutions]

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

[@MrSB007]

Huge difference is there.. You can find in OOPs concept of Durga sir.. Overriding by Durga sir: kzbin.info/www/bejne/g4rdknedg6ygisk

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thanks a lot sir.........

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Java God...

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[@hillolism]

nice way of teaching, just please reduce the word repetition counts :)

[@sumeetkumar1608]

Sir please upload video of design patterns

[@pankajshrivastava7164]

Compiler giving "Left" and "Right" ..... LOL.... Is this feature already present or is coming in Java 15.. ? Funny talks aside... You have a great style of teaching... keep it up

[@meghasandesam]

Thats Durga sir Style..

[@shivaprasad9876]

Why u r not working in IT organizations, is there any heavy work load to us, mem akkadikelli kuda kastapadala.

[@mveerendrakumar]

Video Title says time safety , is it type safety ??

[@srujankumar1999]

Account a = new Account(); // is this create one object or it is Array of objects of Gold type only ??????????

[@AbhishekYadav-fb3uh]

One object

[@jonassx100]

please upload annotations video

[@shaktikumar2323]

Hi Sir, I am not getting one thing. Can you please explain this ArrayList l=new ArrayList(); ConcurrentHashMap list=new ConcurrentHashMap(); list.put(3,"A"); list.put(2, "B"); l.add((ConcurrentHashMap) new ConcurrentHashMap().put(90, "DF")); //output is null for this line l.add(list); System.out.println(l); OUTPUT: [null, {2=B, 3=A}] can you please explain why null is coming for this line

[@DurgaSoftwareSolutions]

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

[@shaktikumar2323]

@@DurgaSoftwareSolutions Hello Durga Sir, I have mailed on the given gmail account. Can you please check and revert asp

[@javacrackofficial]

Is there any online course for **Spring** and **Hibernate** by honorable Durga sir

[@DurgaSoftwareSolutions]

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[@hrushikeshreddy2453]

Can Anyone give the answer for the Question,plz Create a generic class called “GenericStack”. Define two methods called push () & pop() inside the above class. Create a mainclass called Example and create a string instance for the genericStack class. Pass the String object “Hello! Welcome “as argument to push method. finally pop out the message and print the same.

[@hrushikeshreddy2453]

If anyone gives the answer I will give You 200/- on (paytm/Googlepay).

[@nanthakumarchandrasekaran1265]

package test; public class Example { public static void main(String[] args) { GenericStack stringInstance = new GenericStack(); stringInstance.push(new String("Hello! Welcome ")); System.out.printf("String Value :%s ", stringInstance.pop()); } } class GenericStack { private T t; public void push(T t) { this.t = t; } public T pop() { return t; } }

[@kavyareddy9254]

Sir I didn't understand our own generic class example

[@kavyareddy9254]

Is it important in interviews

[@dinesh.singh.negiii]

Kavya Reddy " Dont learn interview point of view only.... Learn for Knowlege point of view " !!!!!!

[@veenaven5004]

Sir why you have written this. ob=ob;

[@sumonbappi]

big fan

[@dhruvgoyal547]

Anyone has full notes for this playlist?

[@DurgaSoftwareSolutions]

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

[@mangeshchikhale6986]

annotations

[@shivaprasad9876]

Sir, it is upcasting concept, not polymorphism. Placing sub class reference variable into super class reference variable is called upcasting. Why u r telling in wrong way.

[@SujeetKumarSinghlive]

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