Java Development Engineer Interview Questions

Java Developer

Interviewed at Antra

4.1★

Jul 23, 2016

What is the diff between union and union all?

Java Developer

Interviewed at Tata Consultancy Services (North America)

3.5★

May 8, 2017

What is encapsulation?

Java Developer

Interviewed at Paddy Power Betfair

3.7★

Jan 3, 2016

Which is faster? LinkedList or ArrayList.

Senior Java Developer

Interviewed at Mobikwik

3.3★

Feb 11, 2020

Find two elements with given sum in BST- expected answer in O(n) time ans O(1) space complexity. Java OOPS Singleton, Synchronized and Puzzles

Java Developer

Interviewed at NCR Corporation

3.4★

Jan 4, 2014

Write the algorithm to calculate the intersection of 2 points

Java Developer

Interviewed at Nucleus Software Exports

3.7★

Oct 25, 2018

switch case having default case on top then other case

Java Engineer

Interviewed at Nokia

4★

Mar 9, 2018

Asked to Implement a Hash table.

Senior Java Developer

Interviewed at Princeton University

4.5★

Aug 31, 2015

Can integer factorization be done in polynomial time on a classical computer?

JAVA Developer

Interviewed at Beyond, Inc.

2.6★

Aug 26, 2013

How do you write unit test code?

Java Developer

Interviewed at CDK Global

3.4★

Jan 20, 2019

they will focus more on technical background. i have been asked to write a program given a sentence and print the number of times each word has repeated in the sentence.