Comments on: Collections in Java with Example Programs

By: Sasha

Sasha — Wed, 14 Jan 2026 04:12:27 +0000

Thank you so much Chaitanya for such a wonderful Java tutorial. It has one of the best explanation and example tutorial for a Java beginner like me. So many doubts have been cleared.

By: VK

VK — Wed, 26 Jul 2017 13:55:01 +0000

Best online site….but in collections chapter Queue Interface is missing…plz upload it also…thanks

By: Paramasivam

Paramasivam — Tue, 21 Mar 2017 06:05:05 +0000

Hi, This site contents are very clear and given neat explanation about collection framework. As a beginner, This site could be very useful. thank you for your effort to making this blog and it will be very helpful us to learn about collection. We were expecting more updates on collection framework.

Thank you!..

By: Ramesh

Ramesh — Mon, 20 Mar 2017 17:18:54 +0000

why we need listIterator can you please explain?

By: Harish Kashyap

Harish Kashyap — Sun, 15 Jan 2017 04:00:37 +0000

HI Chaitanya
You did a brilliant job on Beginnersbook’s Collection Framework. I appreciate you for such a best study content.
Thank you Sir.

By: Niloy

Niloy — Sat, 17 Dec 2016 20:49:13 +0000

Add hastable to the content and we are done. Great work though! :)

By: Manan

Manan — Thu, 17 Nov 2016 06:33:57 +0000

Hi Chaitanya,
Please correct this – TreeMap: It stores its elements in a red-black tree, orders its elements based on their VALUES.

It should be “orders its elements based on their KEYS”

Excellent article, thanks a ton!

By: Rajnayan

Rajnayan — Fri, 11 Nov 2016 05:49:14 +0000

Hello Chaitanya,

You have not provided tutorials for “HASHTABLE”.
Could you please provide the same?

Regards,

Rajnayan