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  • Payment acceptance in a smart vending machine 💰

    JAVA 25 SELF
    Level 6, Lesson 2
    Payment acceptance in a smart vending machine 💰
    1
    Locked
  • Formatting product prices on the online store storefront 🛍️

    JAVA 25 SELF
    Level 6, Lesson 2
    Formatting product prices on the online store storefront 🛍️
    1
    Locked
  • Dividing magical apples among adventurer friends 🍎

    JAVA 25 SELF
    Level 6, Lesson 2
    Dividing magical apples among adventurer friends 🍎
    1
    Locked
  • Check the accuracy of a chemical solution 🧪

    JAVA 25 SELF
    Level 6, Lesson 3
    Check the accuracy of a chemical solution 🧪
    1
    Locked
  • Exploring the limits of the computational universe 🌌

    JAVA 25 SELF
    Level 6, Lesson 3
    Exploring the limits of the computational universe 🌌
    1
    Locked
  • Attempt to compute the Unknown ❓

    JAVA 25 SELF
    Level 6, Lesson 3
    Attempt to compute the Unknown ❓
    1
    Locked
  • High-Precision Laser Calibration 🔬

    JAVA 25 SELF
    Level 6, Lesson 3
    High-Precision Laser Calibration 🔬
    1
    Locked
  • Resource estimate for a space colony 🛰️

    JAVA 25 SELF
    Level 6, Lesson 4
    Resource estimate for a space colony 🛰️
    1
    Locked
  • Accurate calculation of elixir cost with tax 💰

    JAVA 25 SELF
    Level 6, Lesson 4
    Accurate calculation of elixir cost with tax 💰
    1
    Locked
  • Polished Revenue Report Presentation 📊

    JAVA 25 SELF
    Level 6, Lesson 4
    Polished Revenue Report Presentation 📊
    1
    Locked
  • Displaying global sales in a readable format 🌍

    JAVA 25 SELF
    Level 6, Lesson 4
    Displaying global sales in a readable format 🌍
    1
    Locked
  • Counting whole items from total weight 📦

    JAVA 25 SELF
    Level 6, Lesson 5
    Counting whole items from total weight 📦
    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