Round 1- Basic Java questions, Spring Boot , SQL questions Joins in SQL -Integrity in SQL Thread vs Process Spring boot annotations and Caching Comparator interface in Java Singleton class Round 2 - Design constraints when using Serializable interface Internal working of annotations in Spring Boot Reflection in Java Multiple advantages of Singleton Class Reverse Values of HashMap in Java
What is dependency injection why it is used
Basic java questions on syntax
Difference between HTML vs HTML5 What is DOM?
Questions regarding JPA: annotations, structure and operation.
Explain the different REST operations (GET,PUT,POST, DELETE) and explain 'idempotency'.
what is the Singleton and how does lazy instianziation works
Talk about your experience in your internships
There were different questions regarding Java, DBs, and algorithms.
The first question was a number represented as a string that needed to be separated by digit and summed in all possible ways, returning an array/list of each sum.
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