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  • Attempt to update player's bonus list 🎁

    JAVA 25 SELF
    Level 8, Lesson 4
    Attempt to update player's bonus list 🎁
    1
    Locked
  • Swapping players in a soccer team ⚽

    JAVA 25 SELF
    Level 8, Lesson 4
    Swapping players in a soccer team ⚽
    1
    Locked
  • Updating the contents of the magical chest 📦

    JAVA 25 SELF
    Level 8, Lesson 4
    Updating the contents of the magical chest 📦
    1
    Locked
  • Open registry of village residents 🏡

    JAVA 25 SELF
    Level 8, Lesson 5
    Open registry of village residents 🏡
    1
    Locked
  • Top-Secret Customer Bank Account 🔒

    JAVA 25 SELF
    Level 8, Lesson 5
    Top-Secret Customer Bank Account 🔒
    1
    Locked
  • Setting the Factory Box Size 📦

    JAVA 25 SELF
    Level 8, Lesson 5
    Setting the Factory Box Size 📦
    1
    Locked
  • Managing student information in the database 👩‍🎓

    JAVA 25 SELF
    Level 8, Lesson 5
    Managing student information in the database 👩‍🎓
    1
    Locked
  • File path with backslashes

    JAVA 25 SELF
    Level 9, Lesson 1
    File path with backslashes
    1
    Locked
  • Multi-line output using escape characters

    JAVA 25 SELF
    Level 9, Lesson 1
    Multi-line output using escape characters
    1
    Locked
  • Tabs and quotes in a string

    JAVA 25 SELF
    Level 9, Lesson 1
    Tabs and quotes in a string
    1
    Locked
  • Unicode characters and emojis in a string

    JAVA 25 SELF
    Level 9, Lesson 1
    Unicode characters and emojis in a string
    1
    Locked
  • Formatted output of name and age

    JAVA 25 SELF
    Level 9, Lesson 2
    Formatted output of name and age
    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