Test your Java skills with exercises from all categories: Tip: Sign in to track your progress. If you haven't already, sign up to become a W3Schooler, and get points for every exercise you complete.

Basic array problems -- no loops. Basic boolean logic puzzles -- if else && || ! Medium boolean logic puzzles -- if else && || ! New...

Welcome to Java! Join over 28 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.

What kind of Java practice exercises are there? We’ve prepared a collection of Java exercises that will help you grasp the syntax of Java language and some core programming topics.

Aug 11, 2025 · Java coding practice problems help learners and professionals improve their programming skills through real-world challenges, covering topics like data structures, algorithms, …

Complete your Java coding practice with our online Java practice course on CodeChef. Solve over 180 coding problems and challenges to get better at Java.

Practice Java coding with fun, bite-sized exercises. Earn XP, unlock achievements and level up. It's like Duolingo for learning to code.