Developer Java Backend Interview Questions

Software Developer

Interviewed at Apisero

4.4★

Sep 2, 2020

String palindrome , difference between Authorization and authentication , where to use key value.

Software Developer (Dubai)

Interviewed at LISEC

3.6★

Mar 4, 2013

Nothing new... only the usual questions...

Software Engineer

Interviewed at Palantir Technologies

3.7★

Apr 29, 2012

Say you have an unordered list of numbers ranging from 1 to n, and one of the numbers is removed, how do you find that number? What if two numbers are removed?

Senior Software Engineer

Interviewed at Virtusa

3.7★

Sep 19, 2010

if there are 6 people in a team, how many handshakes will be there

Software Engineer

Interviewed at LinkedIn

3.8★

Jul 26, 2011

Find median of an infinite stream of integers in O(1) time

Software Engineer

Interviewed at Google

4.4★

Dec 5, 2011

Write a program to compute if one string is a rotation of another.

Software Engineer Intern

Interviewed at Google

4.4★

Jan 16, 2011

You are climbing a stair case. Each time you can either make 1 step or 2 steps. The staircase has n steps. In how many distinct ways can you climb the staircase ?

Java Developer

Interviewed at IHS Markit

3.7★

Nov 9, 2010

How would you measure 4 litres of water if you have 3 litre and 5 litre canisters?

Software Engineer

Interviewed at Meta

3.6★

Jan 26, 2012

Given an unsorted array of integers, find a 3-element subset that sums to zero

Software Engineer

Interviewed at Meta

3.6★

Mar 12, 2012

A period of time where users login and logout, given a sets of login and logout time pairs, write a function that can show the number of users online at any given time.