About CHS-J1 Exam Prep
An independent practice platform for the CodeHS Java Level 1 (CHS-J1) exam - real questions across every exam domain, each with a plain-language explanation.
What's on the CHS-J1 exam
The CodeHS Java Level 1 (CHS-J1) exam is organized into 5 knowledge domains. It has 45 questions and is completed in 1 hours 30 minutes. Here is what it covers:
- Java Fundamentals: Perform basic input and output using standard packages (including scanner); Evaluate the scope of a variable
- Working with Data Types, Variables, and Expressions: Understanding primitive variables including casting and arithmetic operations; Strings and string methods including parsing; Arrays - creating, manipulating, and traversing; ArrayLists - creating, manipulating, and traversing; 2D Arrays - creating, manipulating, and traversing
- Implement Flow Control: Boolean Expressions including understanding and evaluating logic expressions; Iterations and Loops including for loops, for-each loops, and while loops
- Perform Object-Oriented Programming: Creating and using objects; Writing classes, including methods, instance variables, and static methods; Recognizing class hierarchies and inheritance; excludes implementing inheritance, polymorphism, abstract classes, and interfaces
- Recursion: General recursion analysis including understanding base case and execution counts
Every practice question on this site is organized across these 5 domains, so your study tracks the real exam structure instead of guesswork. As you answer, the per-domain analytics surface the areas still costing you points, so your review goes where it moves your score.
What we believe good exam prep looks like
Realistic practice beats passive reading. Every question is written to mirror the style and difficulty of the real exam, with a clear explanation of why the right answer is right and the others aren't.
Your weak spots should find you. Domain analytics, mistake review, and re-drilling are built in, so study time goes where it moves your score.
Pricing should be simple. One payment for a fixed access window matched to your exam date. No subscription, no auto-renewal, and 10 free questions to try before you spend anything.
Get in touch
Questions, feedback, or something not working? Email support@boardmentor.study - candidate messages are read and answered.