lab challenge

Introduction to Java Challenge

Up to 1h
Get challenged in a real environmentProve your skills in a real-world, provisioned environment.
Push your limitsComplete an unguided mission within the time limit.
See resultsTest your problem-solving skills and track your progress.


Java is one of the most popular programming languages among enterprise organizations. Your effort invested in learning Java can take your career to many places. This lab challenge will help you confirm your knowledge in topics covered in the Introduction to Java learning path.

In this lab challenge, you will be provided with a web browser-based integrated development environment (IDE) with several incomplete code files pre-loaded. Each code file describes what you must do to complete it before time runs out. This is a real environment, which means you can prove your knowledge in an applied situation, leaving behind multiple choice questions for a dynamic performance-based exam situation.


April 14th, 2020 - Updated to use a fully embedded IDE for a superior user experience

March 5th, 2020 - Updated lab infrastructure to allow direct access to the development environment without navigating cloud vendor consoles and reduce startup time by ~50%.


  • Introductory knowledge of Java 9
  • Completion of the Introduction to Java learning path is recommended before attempting this lab challenge

Intended audience

  • Java developers, especially those that are just beginning to learn Java

What will be assessed

  • Your ability to write Java code within a time-limited environment
  • Particular aspects of Java that may be assessed include basic data types, loops, and classes

About the author

Logan Rakai, opens in a new tab
Lead Content Developer - Labs
Learning paths

Logan has been involved in software development and research since 2007 and has been in the cloud since 2012. He is an AWS Certified DevOps Engineer - Professional, AWS Certified Solutions Architect - Professional, Microsoft Certified Azure Solutions Architect Expert, MCSE: Cloud Platform and Infrastructure, Google Cloud Certified Associate Cloud Engineer, Certified Kubernetes Security Specialist (CKS), Certified Kubernetes Administrator (CKA), Certified Kubernetes Application Developer (CKAD), and Certified OpenStack Administrator (COA). He earned his Ph.D. studying design automation and enjoys all things tech.

LinkedIn, Twitter, GitHub

Covered topics


Introduction to Java Challenge