Java Back End Developer Interview Questions

Java Back-end Developer

Interviewed at Guidewire

4.1★

Apr 20, 2021

General java questions Develop service architecture on high level

Java Back-end Developer

Interviewed at Emil Frey

3.2★

Aug 2, 2021

Whats DTO? What REST standards do you know ?

Java Back-end Developer

Interviewed at Dynatrace

3.9★

Oct 24, 2022

What can you mock in unit-tests?

Java Back-end Developer

Interviewed at Nineleaps Technology Solutions

4.1★

Jul 21, 2023

DSA easy to medium level questions were asked from topics like array, strings, stacks

Java Back-end Developer

Interviewed at Holidu

4.5★

Oct 24, 2022

How does HashSet work internally?

Java Back-end Developer

Interviewed at Tufin

4.2★

Nov 10, 2019

1. Present a project. 2. Present you a code with bugs and the would like you to make it better with minimal changes! 3. Design a game (cracking the coding interview...)

Java Back-End Developer

Interviewed at Citi

3.6★

Jul 27, 2010

XML: DOM vs SAX parsers

Java Back-end Developer

Interviewed at SAP

4.2★

Jul 25, 2022

given a string, check if it's a palindrom given a string, check if it's a permutation of a palindrom

Java Back-end Developer

Interviewed at Infogain

3.6★

Jul 26, 2022

Find nearest int for a given integer from a integer array

Java Back-end Developer

Interviewed at Canva

3.9★

Sep 15, 2021

What is the difference between Java and JavaScript? Some basic knowledge on multi-thread, can't remember. If you have 1000 2d points as a tuple like (x1, y1) how could you store these points and count the number of occurrence of each position efficiently?