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  • Secret Portal: Authentication Error Handling 💥

    JAVA 25 SELF
    Level 25, Lesson 4
    Secret Portal: Authentication Error Handling 💥
    1
    Locked
  • Fruit inventory for the store 🍎🍌🍐

    JAVA 25 SELF
    Level 26, Lesson 0
    Fruit inventory for the store 🍎🍌🍐
    1
    Locked
  • List of students and their ages 🧑‍🎓📚

    JAVA 25 SELF
    Level 26, Lesson 0
    List of students and their ages 🧑‍🎓📚
    1
    Locked
  • Student Schedule 🗓️✍️

    JAVA 25 SELF
    Level 26, Lesson 1
    Student Schedule 🗓️✍️
    1
    Locked
  • My personal movie list "Watchlist" 🎬🍿

    JAVA 25 SELF
    Level 26, Lesson 1
    My personal movie list "Watchlist" 🎬🍿
    1
    Locked
  • Smart Task Scheduler: Days of the Week 🗓️

    JAVA 25 SELF
    Level 26, Lesson 2
    Smart Task Scheduler: Days of the Week 🗓️
    1
    Locked
  • Warehouse fruit inventory sorted alphabetically 🍏🍌🍐

    JAVA 25 SELF
    Level 26, Lesson 2
    Warehouse fruit inventory sorted alphabetically 🍏🍌🍐
    1
    Locked
  • Event participants list in alphabetical order 🤵‍♀️🤵‍♂️

    JAVA 25 SELF
    Level 26, Lesson 3
    Event participants list in alphabetical order 🤵‍♀️🤵‍♂️
    1
    Locked
  • Shopping List Optimization 🛒✨

    JAVA 25 SELF
    Level 26, Lesson 3
    Shopping List Optimization 🛒✨
    1
    Locked
  • My Digital Library Catalog 📚✍️

    JAVA 25 SELF
    Level 26, Lesson 4
    My Digital Library Catalog 📚✍️
    1
    Locked
  • Magical Universal Chests 📦✨

    JAVA 25 SELF
    Level 26, Lesson 4
    Magical Universal Chests 📦✨
    1
    Locked
  • Find a color in the palette 🎨

    JAVA 25 SELF
    Level 27, Lesson 0
    Find a color in the palette 🎨
    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