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  • Re-encoding secret messages for the spy 🕵️‍♀️

    JAVA 25 SELF
    Level 6, Lesson 5
    Re-encoding secret messages for the spy 🕵️‍♀️
    1
    Locked
  • Limitations of old weather sensors 🌡️

    JAVA 25 SELF
    Level 6, Lesson 5
    Limitations of old weather sensors 🌡️
    1
    Locked
  • Calculating the average grade for mixed-format assessments 🎓

    JAVA 25 SELF
    Level 6, Lesson 5
    Calculating the average grade for mixed-format assessments 🎓
    1
    Locked
  • Preparing the Adventurer's Backpack 🎒

    JAVA 25 SELF
    Level 7, Lesson 1
    Preparing the Adventurer's Backpack 🎒
    1
    Locked
  • Assessing a List of Favorite Programming Languages 💬

    JAVA 25 SELF
    Level 7, Lesson 1
    Assessing a List of Favorite Programming Languages 💬
    1
    Locked
  • Configuring the weather station sensors ☀️

    JAVA 25 SELF
    Level 7, Lesson 1
    Configuring the weather station sensors ☀️
    1
    Locked
  • Filling the tournament scoreboard 🏆

    JAVA 25 SELF
    Level 7, Lesson 1
    Filling the tournament scoreboard 🏆
    1
    Locked
  • Initial high score table setup 🚀

    JAVA 25 SELF
    Level 7, Lesson 2
    Initial high score table setup 🚀
    1
    Locked
  • Collection of favorite movies in reverse order 🎞️

    JAVA 25 SELF
    Level 7, Lesson 2
    Collection of favorite movies in reverse order 🎞️
    1
    Locked
  • Calculating the total amount of purchases in the cart 🛍️

    JAVA 25 SELF
    Level 7, Lesson 2
    Calculating the total amount of purchases in the cart 🛍️
    1
    Locked
  • Determine the maximum temperature of the day 🌡️

    JAVA 25 SELF
    Level 7, Lesson 2
    Determine the maximum temperature of the day 🌡️
    1
    Locked
  • Theater seating layout 🎭

    JAVA 25 SELF
    Level 7, Lesson 3
    Theater seating layout 🎭
    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