HashMap: A HashMap is a part of the Java Collections Framework and is used to store key-value pairs. It doesn't guarantee any specific order of the elements. It is implemented using a hash table and provides constant-time performance for basic operations like adding, removing, and accessing elements (assuming the hash function disperses elements properly).
Check if the number is prime or not Swap two numbers without third variable A riddle A question solved using maps (leetcode medium)
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Disponibilité, mobilité, Score Certif, Pourquoi Oligos ?
Convert decimal to hex and other n-system.
Bad approach from one of the team members solution on paper on one very hands on issue.
What didn't you think about Settling in US?
Core java questions can be tricky for any interview. Read more about deep cloning, class loaders and multi threading.
Submitting a targeted resume & cover letter via email is frustrating when you receive absolutely no response and have essentially no idea if it's even been received. I expected at least a confirmation, and at some point would have been satisfied with a polite rejection.
A lot of questions were irrelevant. On the job, many training were offfered because of new technology
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