How to detect whether an element is a part of a hole in a binary matrix. A hole is "a patch of zeros that does not connect to the edge of this matrix".
Software Engineer Ii Interview Questions
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Can we sort the linked list for solving binary tree
I don't remember the specifics, other than writing a few queries to join tables, and to go across databases.
A large 3-page C++ code puzzle to debug. Given, no syntax errors but the code crashes at runtime. There were multiple things wrong with code (5-7) and I was asked to find as many as I could.
Exlain synchronization, thread pooling, serialization why it is used.? Why use static classes and methods significance? Why do we have something called absract classes and interface differentiate? Reflection in java? Object passing? switch case does it support strings if yes which JDK version?
If useCallback and useMemo can be used to improve the performance of our react application, how come we don't wrap everything with those hooks?
HLD for the recommendation system.
Bit flipping questions
How would you go about securing a web application?
Java 8, REST API, Spring boot
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