Ernst & Young Interview Questions: What is the difference between HashSet and HashMap in Java?

Asked inErnst & Young,Technology Consultant

What is the difference between HashSet and HashMap in Java?

AnswerBot

HashSet is a collection of unique elements, while HashMap is a key-value pair mapping.

HashSet does not allow duplicate elements, HashMap allows duplicate keys but not values.
HashSet uses a hash table ...read more

Help your peers!

Add answer anonymously...

Top Ernst & Young Technology Consultant interview questions & answers

Q1. Smallest Subarray With K Distinct Elements Given an array A consisting of N integers, your task is to find the smallest ...read more

View answer (1)

Q2. HashMap Implementation Problem Statement Your task is to design a data structure that efficiently stores a mapping of ke...read more

View answer (1)

Q3. Group Anagrams Together Given an array/list of strings STR_LIST, group the anagrams together and return each group as a ...read more

View answer (1)

Ernst & Young

Discover recent interview experiences

View all

Interview Tips & Stories

Ace your next interview with expert advice and inspiring stories

Explore community

Technology Consultant Interview process at Ernst & Young

based on 16 interviews

3 Interview rounds

Technical Round - 1

Technical Round - 2

HR Round

View all

Top HR questions asked in Ernst & Young Technology Consultant

Q1. I was asked questions based on my projects that i have done and was as...read more

Add answer

Q2. Working in a Big4 can be overwhelming at times, how would you deal wit...read more

View answer (1)

Q3. In Production Planning. 1. Tell me about Product cycle. 2. What are va...read more

Add answer

Home

Interviews

Ernst & Young Interview Questions

Ernst & Young Technology Consultant Interview Questions

Stay ahead in your career. Get AmbitionBox app

Helping over 1 Crore job seekers every month in choosing their right fit company

65 L+

Reviews

4 L+

Interviews

4 Cr+

Salaries

1 Cr+

Users/Month

65 Lakh+

Reviews

4 Lakh+

Interviews

4 Crore+

Salaries

1 Crore+

Users/Month

Contribute

Contribute to help millions

Company

Reviews

Users/Jobseekers

Employers

AmbitionBox Awards

AmbitionBox

Terms & Policies

Get AmbitionBox app

Top Ernst & Young Technology Consultant interview questions & answers

Popular interview questions of Technology Consultant

Top HR questions asked in Ernst & Young Technology Consultant