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  • transient field and serialization

    JAVA 25 SELF
    Level 42, Lesson 3
    transient field and serialization
    1
    Locked
  • Serialization of a list of strings

    JAVA 25 SELF
    Level 42, Lesson 4
    Serialization of a list of strings
    1
    Locked
  • Serializing the grades map

    JAVA 25 SELF
    Level 42, Lesson 4
    Serializing the grades map
    1
    Locked
  • Magic Cat Entity: Saving and Awakening with Logging

    JAVA 25 SELF
    Level 43, Lesson 0
    Magic Cat Entity: Saving and Awakening with Logging
    1
    Locked
  • Player Profile: Saving the Essence, Forgetting Details

    JAVA 25 SELF
    Level 43, Lesson 0
    Player Profile: Saving the Essence, Forgetting Details
    1
    Locked
  • Timestamp for Personal Data: Entity Versioning

    JAVA 25 SELF
    Level 43, Lesson 1
    Timestamp for Personal Data: Entity Versioning
    1
    Locked
  • Salary Secrets: Temporary Disappearance and Default Restoration

    JAVA 25 SELF
    Level 43, Lesson 1
    Salary Secrets: Temporary Disappearance and Default Restoration
    1
    Locked
  • User Profile: Controlled Data Recording

    JAVA 25 SELF
    Level 43, Lesson 2
    User Profile: Controlled Data Recording
    1
    Locked
  • Navigation Coordinates: A Game of Order

    JAVA 25 SELF
    Level 43, Lesson 2
    Navigation Coordinates: A Game of Order
    1
    Locked
  • Cosmic Nexus: Ensuring Unity of Existence

    JAVA 25 SELF
    Level 43, Lesson 3
    Cosmic Nexus: Ensuring Unity of Existence
    1
    Locked
  • Secret Data Storage: Masking Information During Transfer

    JAVA 25 SELF
    Level 43, Lesson 3
    Secret Data Storage: Masking Information During Transfer
    1
    Locked
  • Wizard's Artifacts: Version Tag for Treasures

    JAVA 25 SELF
    Level 43, Lesson 4
    Wizard's Artifacts: Version Tag for Treasures
    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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