Java Features

Every Java Feature. One Place.

$0.99 · Designed for iPad

A structured reference for the Java platform — from Java 8 to Java 25. JAVA FEATURES catalogs every notable JEP-tracked and language-level addition across 18 Java releases, with precise descriptions and working code examples for each entry. Coverage includes: - Language features: lambdas, var, records, sealed classes, pattern matching in switch, unnamed patterns, string templates - Concurrency: virtual threads (JEP 444), structured concurrency (JEP 453), scoped values - JVM & runtime: Generational ZGC, compact object headers, AOT class loading - APIs: Stream API, Optional, HTTP Client, Foreign Function & Memory API, Vector API (incubator) - Preview & incubator features tracked by status: RELEASED / PREVIEW / INCUBATOR / EXPERIMENTAL Each entry includes: - JEP number with direct link to openjdk.org - Category classification (Core Language, Core Library, Concurrency, JVM, etc.) - Syntax-highlighted code example with copy-to-clipboard - Status tag and version introduced Flashcard mode — version-scoped drill mode for active recall. Cards show feature name on the front; description and code example on the back. LTS versions (8, 11, 17, 21, 25) are labelled. PREVIEW filter surfaces all features not yet finalised in the spec.

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Flashcard mode. Select any Java release (or ALL) from the version picker and drill through every feature in that scope. Each card shows the feature name on the front; tap or press FLIP to reveal the full description and syntax-highlighted code example on the back. Swipe left/right to navigate. A progress counter and progress bar track position within the current set. Switching versions resets to card 1 automatically.

Version 1.5

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    Information

    • Seller
      • YIFENG JIA
    • Size
      • 5.3 MB
    • Category
      • Developer Tools
    • Compatibility
      Requires iOS 18.5 or later.
      • iPhone
        Requires iOS 18.5 or later.
      • iPad
        Requires iPadOS 18.5 or later.
      • Mac
        Requires macOS 15.5 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 2.5 or later.
    • Languages
      • English
    • Age Rating
      4+
    • Copyright
      • © 2026 YIFENG Jia
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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