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  • Pet registration process at the shelter 🐾

    JAVA 25 SELF
    Level 15, Lesson 4
    Pet registration process at the shelter 🐾
    1
    Locked
  • Unraveling the system startup sequence 🧩

    JAVA 25 SELF
    Level 15, Lesson 4
    Unraveling the system startup sequence 🧩
    1
    Locked
  • Automatic ID assignment during user registration 🧑‍💻

    JAVA 25 SELF
    Level 15, Lesson 4
    Automatic ID assignment during user registration 🧑‍💻
    1
    Locked
  • Warehouse inventory: labeling boxes 📦

    JAVA 25 SELF
    Level 16, Lesson 0
    Warehouse inventory: labeling boxes 📦
    1
    Locked
  • Personal Assistant: Polite Greeting 🗣️

    JAVA 25 SELF
    Level 16, Lesson 0
    Personal Assistant: Polite Greeting 🗣️
    1
    Locked
  • Magical Library: Cataloging Scrolls 📜

    JAVA 25 SELF
    Level 16, Lesson 0
    Magical Library: Cataloging Scrolls 📜
    1
    Locked
  • Smart Home: Room Addressing 🏠

    JAVA 25 SELF
    Level 16, Lesson 0
    Smart Home: Room Addressing 🏠
    1
    Locked
  • Wizard's Toolkit: Activating a Spell 🔮

    JAVA 25 SELF
    Level 16, Lesson 1
    Wizard's Toolkit: Activating a Spell 🔮
    1
    Locked
  • Secret Vault: Access Level 🛡️

    JAVA 25 SELF
    Level 16, Lesson 1
    Secret Vault: Access Level 🛡️
    1
    Locked
  • Valuables Accounting: Artifact Chain 💎

    JAVA 25 SELF
    Level 16, Lesson 1
    Valuables Accounting: Artifact Chain 💎
    1
    Locked
  • Publishing House: creating a new book 📚

    JAVA 25 SELF
    Level 16, Lesson 1
    Publishing House: creating a new book 📚
    1
    Locked
  • Magic Farm: A Creature's Unique Sound 🪄

    JAVA 25 SELF
    Level 16, Lesson 2
    Magic Farm: A Creature's Unique Sound 🪄
    1
    Locked
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CodeGym CodeGym is an online course for learning Java programming from scratch. This course is a perfect way to master Java for beginners. It contains 1200+ tasks with instant verification and an essential scope of Java fundamentals theory. To help you succeed in education, we’ve implemented a set of motivational features: quizzes, coding projects, content about efficient learning, and a Java developer’s career.
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Programmers Are Made, Not Born © 2026 CodeGym