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  • Extending the digital library and checking compatibility

    JAVA 25 SELF
    Level 45, Lesson 0
    Extending the digital library and checking compatibility
    1
    Locked
  • Mystery box: checking contents after retrieval

    JAVA 25 SELF
    Level 45, Lesson 1
    Mystery box: checking contents after retrieval
    1
    Locked
  • Personal Shopping Assistant: Saving a Weekly Plan

    JAVA 25 SELF
    Level 45, Lesson 1
    Personal Shopping Assistant: Saving a Weekly Plan
    1
    Locked
  • Evolution of the book catalog: what will happen to new fields?

    JAVA 25 SELF
    Level 45, Lesson 2
    Evolution of the book catalog: what will happen to new fields?
    1
    Locked
  • Genealogical Tree: Automatic Age Migration

    JAVA 25 SELF
    Level 45, Lesson 2
    Genealogical Tree: Automatic Age Migration
    1
    Locked
  • Animal record system: adding color without losing old data

    JAVA 25 SELF
    Level 45, Lesson 3
    Animal record system: adding color without losing old data
    1
    Locked
  • Updating User Profiles: Intelligent Age Migration

    JAVA 25 SELF
    Level 45, Lesson 3
    Updating User Profiles: Intelligent Age Migration
    1
    Locked
  • Data Archivist: maximum compression of repetitive information

    JAVA 25 SELF
    Level 45, Lesson 4
    Data Archivist: maximum compression of repetitive information
    1
    Locked
  • Game Developer: Evaluating Inventory Save Performance

    JAVA 25 SELF
    Level 45, Lesson 4
    Game Developer: Evaluating Inventory Save Performance
    1
    Locked
  • Hero's magical data 🧙‍♂️

    JAVA 25 SELF
    Level 46, Lesson 0
    Hero's magical data 🧙‍♂️
    1
    Locked
  • Creating a Card for a Digital Library 📚

    JAVA 25 SELF
    Level 46, Lesson 0
    Creating a Card for a Digital Library 📚
    1
    Locked
  • User Data Privacy 🕵️‍♀️

    JAVA 25 SELF
    Level 46, Lesson 1
    User Data Privacy 🕵️‍♀️
    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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