Explain the difference between hash map and hash table, JAVA Programming

Assignment Help:

Difference between Hash Map and Hash Table?

The HashMap class is roughly equivalent to Hashtable, except that it is unsynchronized and allows nulls. (HashMap allows null values as key and value whereas Hashtable doesnt allow).

HashMap does not guarantee that the order of the map will stay constant over time. HashMap is unsynchronized and Hashtable is synchronized.

 


Related Discussions:- Explain the difference between hash map and hash table

Authentication -security component, Authentication is basically an identifi...

Authentication is basically an identification step. Functionality used for J2EE security: Principal : An entity that may be authenticated and identified. Principal n

Animal trim java, Create an application for an animal-fur trimming service....

Create an application for an animal-fur trimming service. The business is open 15 weeks of the year, from April through July. The fee for a small animal (under 6 pounds) is $100, a

Board Coloring, BoardColoring.java program for 2D MXM matrix

BoardColoring.java program for 2D MXM matrix

What is an objects lock, What is an object's lock and which objects have lo...

What is an object's lock and which objects have locks? An object's lock is a mechanism that is used by multiple threads to get synchronized access to the object. A thread may i

Describe life cycle of thread, Describe life cycle of thread. Threads f...

Describe life cycle of thread. Threads follow the single flow of control. A thread is execution in a program. The life cycles of threads are listed below: Newborn state: A

Write a program of else statement in java, Write a program of else statemen...

Write a program of else statement in java? The else statement in Java // This is the Hello program in Java class Hello { public static void main (String args[]) { if (

Which is better to store data as attributes or as elements? , A question ri...

A question rising in the mind of XML/DTD designers is whether to model and encode retain information using an attribute, or alternatively, using an element. 1. Using  an  elemen

Print the percentage of each nucleotide, 1. In this lab assignment we will ...

1. In this lab assignment we will be using the vim or emacs editor in addition to the commands we have already learned. Open a shell terminal and create a file named in your home d

What is the use of lookupdispatchaction, LookupDispatchAction is useful if ...

LookupDispatchAction is useful if the method name in the Action is not driven by its name in the front end, but by the Locale independent key into the resource bundle. As the key i

I want selenium based test automation for java, I want Selenium Based Test ...

I want Selenium Based Test Automation for Java Based Web Application Project Description: I want some test cases to be automated to login to UI which is Java based web applic

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