Domande di colloquio per Java Developer presso Barclays

Internal working of hash map Types of database indexing How will you make a class immutable Kafka partitioning logic Which strategy is best for avoiding Kafka partition rebalancing? (Could not answer) How to make Kafka consumer multithreaded? Coding questions Filter stream program for odd numbers Find first distinct character in a string in 0(n) Sum of digits of a number Miscellaneous Challenges faced in current project Why you change job every year?

Asked me to code merge sort. What is method overloading and overriding