---
title: "Java Features - Reviews, Revenue and Downloads in Russia | Apple App Store"
description: "THE JAVA REFERENCE FOR DEVELOPERS WHO ACTUALLY SHIP  Every Java feature from Java 8 through Java 25 — 70+ features — in one sharp, no-fluff app. Built for backend engineers, interview preppers, and an"
---

# Java Features — Russia

![Java Features App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/da/46/9d/da469d7b-518b-e4d8-a214-e7c10b12b672/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png)

**Developer:** [YIFENG JIA](https://apptail.io/developer/yifeng-jia-hhjTFb)
**Category:** Developer Tools
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** com.kevinjia.app.javafeatures
**Store:** Apple App Store
**Country:** Russia
**Version:** 2.0 (released 2026-04-17)
**Original Release:** 2026-03-20
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/ru/app/app/id6760608367)
**AppTail Page:** [https://apptail.io/app/java-features-UFez/russia](https://apptail.io/app/java-features-UFez/russia)

## Java Features Description
THE JAVA REFERENCE FOR DEVELOPERS WHO ACTUALLY SHIP

Every Java feature from Java 8 through Java 25 — 70+ features — in one sharp, no-fluff app. Built for backend engineers, interview preppers, and anyone tired of grepping release notes.

WHAT'S INSIDE

- 70+ features covering Java 8 through Java 25 (LTS)
- Lambda, Streams, Optional and every Java 8 fundamental
- Records, Sealed Classes, Pattern Matching — the modern ADT trio
- Virtual Threads, Structured Concurrency, Scoped Values
- Preview and Incubator features clearly marked, with a status legend
- Direct links to the official JEP and Oracle docs for every feature

LEARN MODE

- Flashcards: flip-card study across every feature
- Quiz: 10/15/20-question rounds with version, status, JEP-match, and hand-written trap questions. Tracks high score and best streak.
- Interview Prep: deep prep content for 22 of the most-asked Java interview topics. Every topic breaks into why it matters, real question phrasings, key points, common traps, follow-up escalations, and a whiteboard-ready code snippet.

DAILY USE

- Filter by version (Java 8 to 25, LTS, or Experimental)
- Category filter and full-text search
- Bookmarks: save any feature for later
- Changelog: browse what shipped in each version range
- Share card: export any feature as an image for your team chat
- Reading progress tracker

CODE EXAMPLES (PRO)

Unlock syntax-highlighted code examples for every feature with a single one-time purchase. No subscription.

DESIGN

Built with a brutalist, high-contrast aesthetic — no rounded corners, no gradients, just dense information and sharp borders. Designed to be glanceable at a glance and deep when you need it.

Written in native SwiftUI. Fast. Offline. No tracking.

## Java Features Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/cf/06/3c/cf063c7d-b417-9b4c-b5f3-ca020e8c6bfd/simulator_screenshot_F33EF3BA-E4ED-4A53-B260-212CD4583612.png/1320x2868.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/83/e4/9a/83e49aa3-9ae2-143a-540f-b5a30be286fe/simulator_screenshot_D48D035A-6288-4010-B333-EC1898541FF8.png/1320x2868.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/eb/13/14/eb13145a-055c-104a-0f36-71de88c4eeb8/simulator_screenshot_52843CF2-B17F-4C39-B348-65549CA313F2.png/1320x2868.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e6/07/22/e60722f5-cf30-633b-b4ea-21600d69f8e6/simulator_screenshot_263A0AF5-79F5-4367-BF3E-11726622DA8C.png/1320x2868.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/79/e4/ad/79e4adc2-96b8-1c58-091c-a5413b7ee935/simulator_screenshot_EB413FD7-A4FB-47A3-85F6-55CD363929CD.png/1320x2868.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/6a/99/5a/6a995a2b-f1e8-3261-4fb6-74598af42046/simulator_screenshot_4B527FE9-63C0-43F9-98B8-D73758A04576.png/1320x2868.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/a0/fe/13/a0fe134d-c9d9-20c5-eed3-2f28ccc9f4b9/simulator_screenshot_72809B91-080B-4EDA-AA06-C2AEE44A8E99.png/1320x2868.png)







## Java Features Available In
- [Russia](https://apptail.io/app/java-features-UFez/russia)
- [United States](https://apptail.io/app/java-features-UFez/united-states)

---

## About AppTail

[AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends.

- [Search Apps](https://apptail.io)
- [Top Charts](https://apptail.io/top-iphone-apps)
- [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer)

*Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*