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Computer Science

Programming — Java

Build Java programming proficiency with focused daily coding warmups.

About This Subject

Java is one of the most widely used programming languages in the world and the language of the AP Computer Science A exam. Programming Java warmups build fluency with Java syntax, object-oriented design, and algorithmic thinking through daily, targeted practice.


How Do Now Warmups Works

Prompts present Java code snippets, algorithm traces, debugging challenges, and object-oriented design questions. Students analyze, predict, or explain in short written responses. This daily practice builds the code-reading and reasoning skills central to AP CS A and introductory college CS courses.


Aligned to National Standards

CSTA K–12 Computer Science Standards — Algorithms and Programming

Supports CSTA programming standards including abstraction, decomposition, and object-oriented design, aligned to the AP Computer Science A curriculum.


Benefits for Teachers and Students

  • Daily code-reading practice builds Java fluency faster than writing alone
  • Object-oriented prompts reinforce the central paradigm of AP CS A
  • Debugging exercises develop the problem-solving mindset essential for programming
  • Directly prepares students for the AP CS A exam format and content

Ready to use these prompts with your students?

Do Now Warmups is currently available by invitation. Sign up to request access for your school.

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