map sorting, serialization, servlets life cycle, finding a character in a file and replacing it, hibernate configuration, criteria with inner join query, hql with inner join, difference between beanfactory vs application context, overriding, singleton program, query to add column, concurrent haspmap vs synchronized hasmap, primary key vs not null
questions on spring boot & java
Explain what dependency injection is
volatile, sensor fusion algorithms, C, device driver coding
Write a program to append one file to another file and convert it into xml code.
There was a couple of coding exercises, one of which was to implement the factorial function. Both iterative and recursive solutions needed to be provided.
About the project and mid level tech questions
Gave scenario and asked to provide appropriate design pattern
he asked me my most challenging task i have ever done
what are volatile variables
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