Desarrollador Backend Java Interview Questions

712,552 desarrollador backend java interview questions shared by candidates

2. Swap the two values (int A=5 and int B=3), w/o using a 3rd attribute(so you cant use the 3rd attribute to store the value as a temporary storage).

Lead Software Engineer

Interviewed at Cisco

4.1★

Apr 20, 2012

2. Swap the two values (int A=5 and int B=3), w/o using a 3rd attribute(so you cant use the 3rd attribute to store the value as a temporary storage).

what is the difference in string and stringbuffer

Software Engineer

Interviewed at Infogain

3.6★

Jun 29, 2016

what is the difference in string and stringbuffer

Singleton pattern

Software Engineer

Interviewed at Infogain

3.6★

Feb 22, 2012

Singleton pattern

Convert all the words with 3 alphabets to upper case in a sentence.(JS)

Front-End Developer

Interviewed at Zalando

3.6★

Oct 3, 2015

Convert all the words with 3 alphabets to upper case in a sentence.(JS)

You have chess board. How many squares are there in it totally?

Senior Software Engineer

Interviewed at Oracle

3.5★

Apr 8, 2010

You have chess board. How many squares are there in it totally?

When does a deadlock occur?

Java Engineer

Interviewed at Elastic

3.8★

Jul 21, 2017

When does a deadlock occur?

Design a data structure/algorithm to keep track of instruments, stock exchanges, and trades which supports an addInstrument, addTrade and getAllTradesBetweenTimes(time1, time2) operation.

Software Engineer(Internship)

Interviewed at Optiver

3.8★

Sep 11, 2019

Design a data structure/algorithm to keep track of instruments, stock exchanges, and trades which supports an addInstrument, addTrade and getAllTradesBetweenTimes(time1, time2) operation.

What is the difference between a FlipFlop and a latch?

Software Engineer Intern

Interviewed at Intel Corporation

3.9★

May 28, 2010

What is the difference between a FlipFlop and a latch?

Why do you want to join wipro?

Software Engineer

Interviewed at Wipro

3.6★

Aug 9, 2016

Why do you want to join wipro?

How would I implement the 'ls' command in Unix?

IPhone Software Engineer

Interviewed at Apple

4.1★

Feb 1, 2010

How would I implement the 'ls' command in Unix?

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