Core Java Interview Questions

Core Java, Webservices

Interviewed at FIS

3.5★

Jul 8, 2020

core java basics, data structures and algorithms, coding,web services, managing difficult situation in dev environment

Core Java Developer

Interviewed at TechChefs Software

4★

Mar 15, 2018

You have a cake and you need to cut the cake into exactly 16 pieces in only 4 straight cuts

Core Java Developer

Interviewed at Xalted Information Systems

3.7★

Dec 11, 2019

1st round they give a 2 test 1st one is Aptitude test(multi-threading,collection,etc) 2nd is logical test (no Option) 2nd round they ask to write the code of Q1. Anagram two String without using Array.sort method. Q2. Armstrong number Q3. producer-consumer problem using multi-threading in java Q4. Star pattern in java Q5. Performer in Array without using ArrayList Method like (add,delete,remove).you have to write the own method to add,delete&remove in array 3rd round they ask logical Question base on code that you write in 2nd round 4th round they ask you about your self and family

Core Java Developer

Interviewed at 63 moons technologies

3.6★

Sep 4, 2012

Question regarding Collections & Generics

Core Java Developer

Interviewed at Verifone

3.3★

Aug 27, 2019

Working of join() method in detail

Core Java Developer

Interviewed at Verifone

3.3★

Feb 7, 2016

we have three employee objects. e1 (id = 1, name ="ABC") e2 (id =1, name = "ABC") e3(id=2, name ="DEF") Answer true/false for e1 = = e2, e == 3 Answer true/false e1.equals(e2), e1.equals(e3)

Core Java Developer

Interviewed at illumifin

3★

Mar 19, 2023

Threads, how to create threads? which is best way?

Core Java Developer

Interviewed at illumifin

3★

Mar 19, 2023

Aptitude reasoning

Core Java Developer

Interviewed at illumifin

3★

Mar 19, 2023

exception handling

Core Java Developer

Interviewed at illumifin

3★

Mar 19, 2023

All collection framework, each topic in detail.