Desarrollador Backend Java Interview Questions

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711,832 desarrollador backend java interview questions shared by candidates

How objects can send messages to each other in Objective-C

Ios Software Engineer

Interviewed at Meta

3.5★

Mar 21, 2014

How objects can send messages to each other in Objective-C

Given a tree, print the values contained at each level on the same line. So if you had the tree with root A, and children B and C, you would print: A B C

Software Engineer

Interviewed at Meta

3.5★

Nov 8, 2011

Given a tree, print the values contained at each level on the same line. So if you had the tree with root A, and children B and C, you would print: A B C

How would you store and search 1 million names?

Software Engineer Intern

Interviewed at Meta

3.5★

Apr 19, 2012

How would you store and search 1 million names?

Merge 'k' sorted arrays, each array may have max 'n' elements

Software Engineer, Generalist

Interviewed at Meta

3.5★

Mar 6, 2012

Merge 'k' sorted arrays, each array may have max 'n' elements

Given an integer array, find if the target sum exists as the sum of contiguous elements.

Software Engineer

Interviewed at Meta

3.5★

Oct 12, 2018

Given an integer array, find if the target sum exists as the sum of contiguous elements.

Given a string determine if it consist of valid concatenated words. "dogcatfish" --> true because it can be split int "dog","cat", and fish "dogecatfish" --> false

Associate Software Development Engineer

Interviewed at ServiceNow

4.1★

Aug 30, 2013

Given a string determine if it consist of valid concatenated words. "dogcatfish" --> true because it can be split int "dog","cat", and fish "dogecatfish" --> false

Reverse a string

Software Engineer

Interviewed at Qualcomm

3.8★

Dec 5, 2014

Reverse a string

On the interview I had to code an example with PHP and as they were watch me develop.

Junior Web Developer

Interviewed at scandiweb

4.1★

Feb 12, 2022

On the interview I had to code an example with PHP and as they were watch me develop.

Why the potholes have circular opening?

Associate Software Engineer

Interviewed at Accenture

3.7★

Jul 5, 2012

Why the potholes have circular opening?

If I have a jar with 1000 coins and one is double headed and I pick one coin randomly and flip 10 heads what is the probability it is the double headed coin?

Algorithm Developer

Interviewed at Hudson River Trading

4.2★

Oct 13, 2015

If I have a jar with 1000 coins and one is double headed and I pick one coin randomly and flip 10 heads what is the probability it is the double headed coin?

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