Difference between HashMap & ConcurrentHashMap
Senior Java Programmer Interview Questions
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What is callable() in Java?
What was the biggest fail and what did you learn from it?
Java Questions like: - Difference between a StringBuilder and a StringBuffer - Difference between a ArrayList and LinkedList - hashCode() and equals() Spring Framework and SpringBoot - What is the core foundation of Spring Framework - What is the difference between SpringBoot and Spring Framework - Beans lifecycle - @Autowired annotation - @EnableAutoConfiguration Others - Scalability - CI/CD, what is the CI and what is the CD Databases - Difference between Relational and Non Relational Databases Code Challenge: - Find the longest substring of unique characters in a String
2nd Round Bit Diffcult But it starting from very Normal -> goes deep about Spring and Microservices core Concept. Here I rejected
Fault tolerance, api gateway, acid properties, service discovery, MySQL queries, diffrence in monolithic and microservices, functional programming, docker, cicd pipeline, mockito junit
java programs to check longest pallendrom
Java related questions or collection framework
Rest Api error handling and any global exception for handling that
Diff b/w set and TreeSet
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