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  • Express financial portfolio analysis 💰

    JAVA 25 SELF
    Level 31, Lesson 4
    Express financial portfolio analysis 💰
    1
    Locked
  • Collecting all student hobbies for school clubs 📚

    JAVA 25 SELF
    Level 32, Lesson 0
    Collecting all student hobbies for school clubs 📚
    1
    Locked
  • Creating a hobby catalog for each student 🧑‍🎓

    JAVA 25 SELF
    Level 32, Lesson 0
    Creating a hobby catalog for each student 🧑‍🎓
    1
    Locked
  • Harvesting for the Grand Fruit Salad 🍎🍊

    JAVA 25 SELF
    Level 32, Lesson 1
    Harvesting for the Grand Fruit Salad 🍎🍊
    1
    Locked
  • Showcase design for celestial objects 🚀

    JAVA 25 SELF
    Level 32, Lesson 1
    Showcase design for celestial objects 🚀
    1
    Locked
  • Identifying unique suspects from different sources 🕵️‍♂️

    JAVA 25 SELF
    Level 32, Lesson 2
    Identifying unique suspects from different sources 🕵️‍♂️
    1
    Locked
  • Cataloging artifacts from multiple archaeological digs 🏺

    JAVA 25 SELF
    Level 32, Lesson 2
    Cataloging artifacts from multiple archaeological digs 🏺
    1
    Locked
  • Creating Labels for Items with Limited Codes 🏷️

    JAVA 25 SELF
    Level 32, Lesson 3
    Creating Labels for Items with Limited Codes 🏷️
    1
    Locked
  • Generating test profiles for a social network 👥

    JAVA 25 SELF
    Level 32, Lesson 3
    Generating test profiles for a social network 👥
    1
    Locked
  • Dangerous database cleanup with possible "empty" entries 😼

    JAVA 25 SELF
    Level 32, Lesson 4
    Dangerous database cleanup with possible "empty" entries 😼
    1
    Locked
  • Magic one-time-use scroll of spells 📜

    JAVA 25 SELF
    Level 32, Lesson 4
    Magic one-time-use scroll of spells 📜
    1
    Locked
  • Daily Store Revenue Calculation 💰

    JAVA 25 SELF
    Level 33, Lesson 0
    Daily Store Revenue 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