Difference between hashmap and hash table, JAVA Programming

Assignment Help:

Difference between HashMap and Hash table

HashMap:

It allow us to have null values and also one null key

It is Unsynchronized.

Iterator in HashMap is Fail-Safe.

Hash Table:

It doesn't allow null value as key and value.

It isn't synchronized.

 


Related Discussions:- Difference between hashmap and hash table

Extensible messaging and presence protocol, According to XMPP Standards Fou...

According to XMPP Standards Foundation "XMPP is the Extensible Messaging and Presence Protocol, a set of open technologies for instant messaging, presence, multi-party chat, voice

Ask to do it, Ask question #Minig cbhdsjamkvfdsk mum 100 words accepted#

Ask question #Minig cbhdsjamkvfdsk mum 100 words accepted#

Write an application for a video store, Do you provides a Complete source C...

Do you provides a Complete source Codes for this application: " a. Write an application for a video store. Place the names of 10 of your favorite movies in a combo box. Let the use

java garbage collector? , Each time an object is operated in Java, it goes...

Each time an object is operated in Java, it goes into the area of memory named as heap. The Java heap is named the garbage collectable heap. The garbage collection may not be force

Performance of a java application, How can I improve the performance of a ...

How can I improve the performance of a java application , describe the java optimization techniques?

Java, Ask question Write an inheritance hierarchy for classes Quadrilateral...

Ask question Write an inheritance hierarchy for classes Quadrilateral, Trapezoid, Parallelogram, Rectangle and Square. Use Quadrilateral as the superclass of the hierarchy. Create

Confidentiality and privacy - security, The confidentiality and privacy may...

The confidentiality and privacy may be accomplished through encryption. Encryption may be: Private-key or symmetric: This is based on a single key. This needs the sender and the

Carbon Footprint Applications, 10.13 (CarbonFootprint Interface: Polymorphi...

10.13 (CarbonFootprint Interface: Polymorphism) Using interfaces, as you learned in this chapter, you can specify similar behaviors for possibly disparate classes. Governments and

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd