finally face to face. this is 6 hour long and they will decide very quick the result. First is a Java test. expect to write long java programs with pen and paper. should write code accurately no psudo code java code. some of the questions were insert node in tree, find the bug in single linked list which is looping. Heavy multi threading concurrency questions. thread contention, java 5+ concurrency API lots of multi threading in depth questions. somof the questions ae when java does context switching explain what happens in CPU level1,level2,level3 cache. how do you optmize hit miss on cpu cache with java threading. questions about DB partition sharding, network topology in cassandra, clearly Big 0 questions. java concurrency concurrency collections framework questions I was asked to write on white board function in java to recursively delete files and then in a directory tree. Java code with semi colons command and perfect syntax was expected. boundary conditions need to be handled. unit tests were asked to be written.
Java Consultant Interview Questions
30,831 java consultant interview questions shared by candidates
what is JSCRIPT
Typical Java technical questions. Like how to generate a deck of cards and then shuffle them.
What are your failures?
if a coder can think in 5 min and write 100 loc in 10,how much did he write in 60 mins if he took 5 min break after every 10 min
I will describe the Peer programming exercise in more detail. It is already covered off in other posts about the event management system, but click on answer for more details.
interviewer started with oops principle Object comparison diff. bte string and stringbuffer http request lifecycle 2 puzzles - did not strike me at time -2 same candles - 1 burns in 1 hr.how will you measure 1 1/2 hr -how will you tell weather a number can be represented in 2 raise to n like 4 can be writeen as 2square.
1st Programming Round 1) WAP to check if the string is unique or not 2) Given an array of Integers , among the elements find the pair whose sum is equal to a given number 3) Idr tbh Have to solve 2 out of 3 (Logic is very important , other errors are acceptable)
Design the Vending machine using Microservices.
Mostly expected question Java memory management.
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