Cover of Java 8 to 21

Java 8 to 21

Shai Almog

Published 2023

A comprehensive guide empowering developers with the advanced capabilities of Java KEY FEATURES ● Gain insights into the significant changes and features introduced in Java versions 8 to 21.

4 score
#567 overall

Score based on developer article recommendations — not sales data or reviews.

JavaBackendperformanceconcurrency
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🟢 Developer Verdict

Explore the significant advancements and new capabilities introduced across Java versions 8 to 21, helping you modernize your development skills.

Read this if

  • You need to catch up on Java features from 8 to 21.
  • You are returning to Java after a long break.
  • You want to understand the evolution of the Java language.

Skip this for now if

  • You are already proficient with modern Java (17+).
  • You seek a beginner's introduction to Java programming.
  • You prefer hands-on coding exercises over feature overviews.
Developer signal: Overwhelming Consensus · 100% 4 analyzed mentions Up To Date

💬 What Developers Say

"If you want to get back to Java after a while check out my [Java 8 to 21 book]"

— codenameone · The Art of Full Stack Debugging · Oct 9, 2024

"If you want to get back to Java after a while check out my Java 8 to 21 book."

— codenameone · Front End Debugging Part 2: Console.log() to the Max · Nov 27, 2024

"If you want to get back to Java after a while check out my Java 8 to 21 book"

— codenameone · Front End Debugging Part 3: Networking · Jan 29, 2025

Based on 4 developer article mentions

👤 Who Should Read This

Best for

  • Career changers transitioning into software engineering
  • Developers looking to grow their careers

Less ideal for

  • Those who haven't written any code yet
  • Developers wanting immediate hands-on tutorials
Difficulty: Intermediate Style: Practical

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Recommended in 4 Articles

Front End Debugging Part 1: Not just Console Log
● DEVby codenameone· Oct 30, 2024
Front End Debugging Part 2: Console.log() to the Max
● DEVby codenameone· Nov 27, 2024
The Art of Full Stack Debugging
● DEVby codenameone· Oct 9, 2024
Front End Debugging Part 3: Networking
● DEVby codenameone· Jan 29, 2025

Score Trend

Last 90 Days

Articles

0

vs prev 90d

+3

Unique authors

1

Total mentions

4

Source Platforms

DEV 4
📰 About this signal · 4 analyzed mentions · Mostly High confidence

Article Types

Personal Story 2
Tutorial With Reference 2

Confidence

High 3
Medium 1
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