14.2 Collection and Generics in Java | Practical

Collections are used to store, retrieve, manipulate, and communicate aggregate data. Typically, they represent data items that form a natural group.

Generics enable types (classes and interfaces) to be parameters when defining classes. Generics are also type safe and easier to read.

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[vladanulardzic]

A very clear and practically explained work with Collection and Generics in Java ! Keep on ! Thank you.

[amaraluri]

Hi Naveen,
I really appreciate your work and Your teaching technique is so great, and your easy to understand examples make learning easy thank you fantastic

[abdurrehman]

after 1 year i really know collection and generics... thank u sir

[jameshondrada]

hi Naveen because of you im pass my data structure subject. you help me a lot

[vatikaprasad]

Please upload videos on Data Structures Java. Your videos are amazing!

[asrasr]

Your easy to understand examples make learning very easy.
Thanks for your videos Navin. (y). It did help me to understand java.

[tripurarisiddartha]

Its absolutely very good explanation navin. Tq so much...

[jonahrivera]

Very nicely structures and organized in the way you explain things, thank you so much!

[itsayushisaxena]

Thanks a lot for this. Also make some videos on data structures in java, please.

[somishettyasrith]

Very good explanation. you made it simple.

[gowthamprasanthguntaboyina]

Your explaination is very good sir, thank you for these videos.

and one thing when i look thumbnail suddely you look like johnny sins. 😅

[nancygupta]

Sir please add data structures in java tutorial from biginner level to high level.

[avinashbg]

Thanks for posting the videos, now I have some idea about collection API.

[anujagavhane]

It's Supper....& easy to understand.

[hamzaelkhamlichi]

You are not explaining topics but also how to read the documentation
Thank you!

[rahulchatterjee]

The method add(Object) in the type Collection is not applicable for the arguments (int)...why??? and how to solve it

[abhiarvykagithapu]

can you explain what does iterator i=values.iterator(); means???...I know we are doing this for fetching values from collection. But iam asking that does this line is creating object or not??

[mrphysics]

Hello Sir,

I hope you are doing well. I have a question here, as for the method iterator() ? what kind of object does it return ? .., that's to say Iterator is an interface, so if I'm not wrong the returned object must be a class that implements Iterator interface! .., thx in advance.

[kikimayi]

can we not use if, else, while with belongs to(x : numbers), for each instead of this iterator thing to get the same work done? im so confused rn.

[venkateshkoka]

What is the Cube Icon Application, next to the android studio on your mac dock.