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  • Instructions for the assistant robot 🤖

    JAVA 25 SELF
    Level 51, Lesson 0
    Instructions for the assistant robot 🤖
    1
    Locked
  • Launching an unmanned courier drone ✈️

    JAVA 25 SELF
    Level 51, Lesson 1
    Launching an unmanned courier drone ✈️
    1
    Locked
  • Assigning a task to a new intern 🧑‍💻

    JAVA 25 SELF
    Level 51, Lesson 1
    Assigning a task to a new intern 🧑‍💻
    1
    Locked
  • Space Mission Completion Check 🛰️

    JAVA 25 SELF
    Level 51, Lesson 2
    Space Mission Completion Check 🛰️
    1
    Locked
  • Synchronization of two workers 🤝

    JAVA 25 SELF
    Level 51, Lesson 2
    Synchronization of two workers 🤝
    1
    Locked
  • Managing agents in an online marketplace 🛍️

    JAVA 25 SELF
    Level 51, Lesson 3
    Managing agents in an online marketplace 🛍️
    1
    Locked
  • Coordinating Robots at a Smart Factory 🏭

    JAVA 25 SELF
    Level 51, Lesson 3
    Coordinating Robots at a Smart Factory 🏭
    1
    Locked
  • Counting sales in the hustle of a ticket booth 🎟️

    JAVA 25 SELF
    Level 51, Lesson 4
    Counting sales in the hustle of a ticket booth 🎟️
    1
    Locked
  • Battle of Advertising Agencies for the Digital Billboard 🌆

    JAVA 25 SELF
    Level 51, Lesson 4
    Battle of Advertising Agencies for the Digital Billboard 🌆
    1
    Locked
  • Production Line Debugging 🏭

    JAVA 25 SELF
    Level 52, Lesson 0
    Production Line Debugging 🏭
    1
    Locked
  • Team Game Points 🎮

    JAVA 25 SELF
    Level 52, Lesson 0
    Team Game Points 🎮
    1
    Locked
  • Public Charity Donations Accounting 🌍

    JAVA 25 SELF
    Level 52, Lesson 1
    Public Charity Donations Accounting 🌍
    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