Java coding interview tasks solutions

Prerequisites

• JDK 21
• Gradle (embedded in the project)

How to build project

./gradlew clean build

List of packages

• annotation
• cache
• collections
• common (some uncategorized stuff)
• core
• dynamic
• iterators
• jvm
• multithreading
• numeric
• parser
• proxy
• recursion
• refactoring
• search
• serialization
• sorting
• stream
• string
• tree

Sure, we have tests; they contain some code which describes implementation in a natural way.

SQL-related stuff

SQL folder contains tasks which require writing SQL queries to solve them. Check appropriate video on YouTube

Coding interview materials

The interview-materials folder contains some notes about interview preparation and useful links. We can perceive materials in this folder as project backlog or "box with other stuff"

Appendix. Verbal interview materials

Check java-interview-faq-n-answers repo to get materials for preparation to Java verbal interview