Multithreading Practical Example findFirst() and FindAny() difference Internal working of HashMap Blocking Queue Fail-Safe & Fail-Fast Iterator ClassLoader Joins in SQL
Java Senior Interview Questions
6,038 java senior interview questions shared by candidates
which technology have you worked in Java and describe it
Basic java concepts, spring and rest
1). Difference between race condition and thread deadlock. 2). Difference between equals() and == in strings.
microservices, sql queries, multithreading, message brokers
Basic Java questions, spring security, spring batch, MySQL joins
Round 1: Hackrank Test. Round 2: Technical (30 mins). 1. Intro, daily roles and responsibility. 2. How will you design you monolithic, project to microservice-arch (very basic system design explanation needed from me)? 3. Last implementation & was your project a scratch development or expansion of existing project (They needed ground level project development candidate). 4. What is spring profile, how you've implemented in your project? 5. What is Configmap in java? (Basically, we can't store our application. Properties file on Github as it may expose our DB details, so we use Configmap) 6. Transaction in spring and DB. 7. Have you handled file (File Handling topic)? 8. How you'll store your CSV file to S3 bucket using a AWS lambda function? 9. Database basic (Indexes, joins, Procedures) 10. Delete, alter, truncate 11. Maven vs Gradle 12. How you've implemented JWT token (Spring security)? 13. How you'll make sure that at what time, your token will expire?
5. They ask about Java OOPS concepts.
swap numbers programing in java
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