Design a spring boot application which has to call an external API. How data is stored internally in a Database.
Sr Java Developer Interview Questions
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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
arrylist implementation
bubble sort
How to do authentication in microservices?
What is functional interface in java?
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