mostly core java, spring, hibernate and databases
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Questions related to microservices and previous difficulties faced
what is polymorphism ?, what is a thread ?, thread life cycle ? what is demon thread ? what is the difference between demon thread and user thread ? what is memory leak ? how to resolve it ? what is jvm ? what is heap memory ? how many types of memories are there in jvm ? what is collection ? write a program to iterate a HashMap ? can we write a try catch block in finally block ? what is throw ? what is the difference between throws and throw ?
How will you swap two numbers without using a temp
I was asked to write a basic exception script and also how to create tables in SQL.
what is oop and its fundamentals? what is encapsulation, abstraction, etc
what is notify method truncate collection's arry conceopt
Java streams Spring boot basics Spring concepts Multi threading 2nd level was kind of manager Difficult situations faced in projects and learning methods to update tech stack
why should we hire u?
Lamda functionality and it was good.
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