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Senior Java Developer Tech Lead Interview Questions
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Multi threading- Inter Thread Communications
Java- collections, multithreading, oops concepts microservices, spring boot basics
1) What is steam? 2) What is a Predicate? 3) java 8 features 4) What is a singleton class 5) Difference between comparator & comparable
Design a spring boot application which has to call an external API. How data is stored internally in a Database.
What is interface ?
To implement stack without array or list.
why do we need to override equals and hashCode
*Count number of 1's in a binary sorted array, alternate way using collections(Think of frequency) *Array list to hash map using streams based on some filter. *How doubly linked list is implemented in java *Difference between set and list *Given order id quantity and country find max of quantity by country-Think of some basic sql
tree implementation
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