They asked DSA questions mainly based on the sliding window technique. Apart from that, they covered Java basics to advanced concepts including OOPs, collections, exception handling, Java 8 features, Spring Boot fundamentals, and multithreading concepts like synchronization, thread lifecycle, and ExecutorService.
Have you ever worked with API caching in NodeJS?
Live coding questions Medium to Hard data structure and algorithms
Can you walk us through your error-handling strategy and explain why you chose it?
4. Move from (0,0) to (n,n) in a matrix with blockers
2. Design stone, paper, scissor
1. Height of a binary tree
Tuples vs lists difference with use cas
What are Generics and a code snippet regarding what the output would be. I answered correct here. Difference between abstract and interface and what is the uses of default methods in interface and what is the difference between default and static methods in it -- here I got a little confused. HashCode and equals logic question --- snippet he gave in which I answered wrong in one case but the rest were right. He moved with Stream api and asked me to write a bunch of code andfor even odd he told me to use only single stream -- I forgot the partitioningBy() method which was fine i went old school He asked me a good theory related questions I was confidently answered them. Output -- No response. I called the same TA asking for update and feedback she said she was busy and will call back. No response. This is how Mastercard recruits people.
Q: Simulate making orders in a restaurant
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