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Java Senior Interview Questions
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Write a program to brake singleton pattern and how to prevent it. Wirte a program to count the number of occurrences of characters in a String. Write circuit breaker pattern in case of microservices.
Interviewer asked questions on core java, collections, SQL Joins, Design patterns. Some scenario based questions but I did not understand since the interviewer did not that good english. This was though some staffing agency.
Round1: Focus on Microservices: 1. Code for Feign Client Interface 2. Code for Rest Template 3. POST API with all annotations and detailed code. 4. Java8 Features Round 2: 1. String s =null; Sout(s); Sout(s.lenght); What would be the output? 2. How do we prevent nullpointer in above scenario? 3. Java8 Program: Return first employee with a salary greater than 100000 . If no such employee exists, then null is returned. 4. Kafka Partitions and Topics. 5. AWS services used? Round 3: Basic HR questioner.
The design patterns of microservices
Core Java Questions, SpringBoot Annotation, Stream API question, Java
how we handle deployment process in current organisation?
What is a Concurrent hashmap
All questions based on resume
Ask me question about the company and position and will evaluate you by your questions?
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