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  • International conference: fixing the event in a time zone 🌐

    JAVA 25 SELF
    Level 13, Lesson 3
    International conference: fixing the event in a time zone 🌐
    1
    Locked
  • Teleportation Relocation: One Event Across Time Zones 🚀

    JAVA 25 SELF
    Level 13, Lesson 3
    Teleportation Relocation: One Event Across Time Zones 🚀
    1
    Locked
  • Chronicles of Time: a journey through Instant 🌌

    JAVA 25 SELF
    Level 13, Lesson 3
    Chronicles of Time: a journey through Instant 🌌
    1
    Locked
  • Report Standardization: Current Date in ISO Format 📊

    JAVA 25 SELF
    Level 13, Lesson 4
    Report Standardization: Current Date in ISO Format 📊
    1
    Locked
  • Decoding incoming data: parsing a date from a string 📝

    JAVA 25 SELF
    Level 13, Lesson 4
    Decoding incoming data: parsing a date from a string 📝
    1
    Locked
  • Personalization: date with local flavor 🗓️

    JAVA 25 SELF
    Level 13, Lesson 4
    Personalization: date with local flavor 🗓️
    1
    Locked
  • Order Tracking: Precise Time Parsing 📦

    JAVA 25 SELF
    Level 13, Lesson 4
    Order Tracking: Precise Time Parsing 📦
    1
    Locked
  • Holiday Countdown 🎉

    JAVA 25 SELF
    Level 13, Lesson 5
    Holiday Countdown 🎉
    1
    Locked
  • Time Machine: check if a date has arrived 🕰️

    JAVA 25 SELF
    Level 13, Lesson 5
    Time Machine: check if a date has arrived 🕰️
    1
    Locked
  • Project Management: how many days until the deadline? 🗓️

    JAVA 25 SELF
    Level 13, Lesson 5
    Project Management: how many days until the deadline? 🗓️
    1
    Locked
  • Real Estate Agency: Building Age Calculation 🏡

    JAVA 25 SELF
    Level 13, Lesson 5
    Real Estate Agency: Building Age Calculation 🏡
    1
    Locked
  • A new companion for your virtual world

    JAVA 25 SELF
    Level 14, Lesson 1
    A new companion for your virtual world
    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