Java

How does Java handle generics?

What is the Singleton design pattern with double-checked locking?

Can an interface contain a constructor?

What is the difference between a stack and a queue?

What format and tools did you use for task setting and tracking in your previous project?

Junior — Middle

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What does the collect method do in Java?

What is the importance of a Stack Trace when working with exceptions?

How are different types of collections structured and organized in programming languages?

What is the difference between a nested class declared as static and an inner class without a modifier in Java?

Are you also ready for questions on this topic?

What is the difference between atomicity and consistency?

What data structure is used in ArrayList?

What is the search speed in HashMap (average and worst case)?

How is the dependency injection concept related to the inversion of control principle in programming?

How can you describe abstraction in programming?

How to write a web application in Java?

What is a branch in Git?

What does two types of exceptions mean in Java?

What is the difference between LEFT JOIN and INNER JOIN?

If two objects belong to different classes but have the same field values, will they produce the same hash code result?