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  • Battle with the Two-Headed Dragon 🐉⚔️

    JAVA 25 SELF
    Level 5, Lesson 4
    Battle with the Two-Headed Dragon 🐉⚔️
    1
    Locked
  • Using the tool by its full address 🛠️

    JAVA 25 SELF
    Level 5, Lesson 4
    Using the tool by its full address 🛠️
    1
    Locked
  • Handling two calendar systems: Time from different dimensions ⏳

    JAVA 25 SELF
    Level 5, Lesson 4
    Handling two calendar systems: Time from different dimensions ⏳
    1
    Locked
  • Magic Inventory: Filtering Cursed Artifacts 🧙‍♂️

    JAVA 25 SELF
    Level 5, Lesson 5
    Magic Inventory: Filtering Cursed Artifacts 🧙‍♂️
    1
    Locked
  • Finding the First Lucky Number: Stop the Ritual 🍀

    JAVA 25 SELF
    Level 5, Lesson 5
    Finding the First Lucky Number: Stop the Ritual 🍀
    1
    Locked
  • Protective circle around the altar 🔮

    JAVA 25 SELF
    Level 5, Lesson 5
    Protective circle around the altar 🔮
    1
    Locked
  • Magic Multiplication Grimoire ✖️

    JAVA 25 SELF
    Level 5, Lesson 5
    Magic Multiplication Grimoire ✖️
    1
    Locked
  • Creating an RPG Hero's Inventory 🎮

    JAVA 25 SELF
    Level 6, Lesson 1
    Creating an RPG Hero's Inventory 🎮
    1
    Locked
  • Counting the Treasure in the Dragon's Lair 🐉

    JAVA 25 SELF
    Level 6, Lesson 1
    Counting the Treasure in the Dragon's Lair 🐉
    1
    Locked
  • Decoding Ancient Runes 🔮

    JAVA 25 SELF
    Level 6, Lesson 1
    Decoding Ancient Runes 🔮
    1
    Locked
  • Two-way magic of characters and numbers ✨

    JAVA 25 SELF
    Level 6, Lesson 1
    Two-way magic of characters and numbers ✨
    1
    Locked
  • Spacecraft average speed calculation 🚀

    JAVA 25 SELF
    Level 6, Lesson 2
    Spacecraft average speed calculation 🚀
    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