Map Interface In Java Collections Framework Tutorial Part 4

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The Map Interface:

A Map is an object that maps keys to values. A map cannot contain duplicate keys: Each key can map to at most one value. It models the mathematical function abstraction.

The Map interface includes methods for basic operations (such as put, get, remove, containsKey, containsValue, size, and empty), bulk operations (such as putAll and clear), and collection views (such as keySet, entrySet, and values).

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Naveen upload videos for Set interface, it is missing in Java collections tutorial. Please include those videos too.

balajimani

Was expecting API level discussions like how a value is stored inside a Map, hash collisions, load factor and how Map grows automatically.
But its a very basic discussion!

souvikadhikary

This is the best video of all the java related videos.. best part is list of methods and list of examples which i was looking for in interface and array list. List of method should be covered in array list also.

TheNishi

Thanks Naveen ..appreciated your handwork, you have provided very well detailed description ..waiting for next videos for collection and rest-assured API framework

angitapatel

Awesome work and very understandable lecture

jothisubramanian

Naveen thanks man!! u make java concepts seem so easy

saumyaupadhyay

thanks Naveen... These videos are really helpful for understanding collection concept. I have one request please upload videos for set and queue interface also. I didn't find any videos related to these topics.

yogitakediyal

Thanks for adding the Map Interface Video. Waiting for the next one's

vikrant.

Thanks Naveen ..appreciated your handwork, you have provided very well detailed description ..waiting for next videos

dijeshmishra

How are you able to create an object of the interface Map, m ?

rachitmongia

All Videos are excellent and easy to Understand... Can u please make video for Lambda Expression as well... that is the last topic I m not aware of Thank u

panchalrakesh

Hi Naveen, great collection of tutorials. Can you please explain the below concepts in ur next tutorial
1. In Map the key is supposed to be unique. So if I add a key which already exists then the previous key will be overridden. But what if I want to store duplicate keys using hashmap? was asked this question in an interview
2. What are the methods that we override when we declare a map
3. You didn't explain the synchronization concept in arraylist

shraddhakamble

Hi Naveen, Had a query like u gave a example of manager and employee association, so in this case as manager being a key..it would b a duplicate(because multiple employee has same manager ) . and Duplicate keys are not allowed. pls guide

avinashpujari

List and Queue is available and there is no set interface related videos in the playlist . Please upload them.

velliangirimurugesh

Sir please upload Set related videos it will be really helpful..

navinsingh

Hi sir, how we can creat object of Map interface as you gives a example. Thanks for this.

akhilesh

session on set inteface ? pls share video link

manohar

Can you also add detailed videos about other collections which are used in Selenium such as Set?

bhaktipatil

Thanks plz upload remaining grid and api testing videos...

suryakantpratik

Hi naveen. please upload set interface concept also.

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