Explain oops concepts? What is static? What is multithreading? Custom exception syntax, Collection hierarchy, Mist important internal working of Hashmap? (refer to javatpoint) Sql queris simple,
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How did you work in a team and the other departments to get a work done?
why not to use hashmap in multi threaded environment
collection.sort uses which algorithm
Stream api oops concept microservices
Explain about the projects which you have mentioned in resume?
about thr oops concepts in java
Basic Questions Asked: Introduce yourself (including questions about your current project). Why is String immutable in Java, and how can we create an immutable class? Streams coding question – Given a list of integers, find all numbers starting with 1. Explain Predicate and BiFunction interfaces. Explain/implement the Bubble Sort algorithm. Explain Future in Java. Difference between fail-fast and fail-safe iterators. Java 8 features.
Tell me about a time you faced pushback
How would you design a hash map?
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