(#8) Tricky Java Questions for Interviews

Motto: Again about garbage collector...

Q1: Did you know some tools for inspecting GC logs generated by your application?

Q2: When a serial GC is preferred against a parallel one? Can you provide one real case when is recommended a serial GC instead of a parallel one?

Q3: It's possible to have a null value as element of a list? But for map?

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Java - Example of practical interview question

Hi guys,

Today, I’m going to present you a nice interview question that you can use to interview your candidate. The question is dedicated to Java programming language, but it can be easily updated to your current programming language.

26th May 2020 - Mihai Surdeanu

Java interface class

The power of using interfaces in Java

The idea behind this article is quite simple: try to use interfaces instead of concrete classes whenever is possible!

14th May 2023 - Mihai Surdeanu