Technical Assignment - Where is your service class?
Java Developer Interview Questions
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Hackerrank - Knight moves for source to destination, Laundary bags disposal Interview Round #1 - Find 2nd largest Element in LogN time, Sort array of 0s and 1s in place, Calculate angle between hour and minute hand, Internal working of Concurrent HashMap, Reason(s) for inheritance not provided by Java (except the Diamond Problem)
First question as about pascals triangle
JPA implementations other than hibernate
how did you know about opening
How to investigate the OutOfMemory reason on a production instance? What are you going to do to prevent the problem in future? What approaches do you know to tune GC and JVM in terms of memory management?
Describe how you should write thread-safe singleton with lazy initialization.
SQL joins
1 algorithmic question (which can be medium difficulty Level on Leetcode) Loads of questions about Core Java, clean code writing and Spring Core.
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