AloisSeckar/demos-java

JEP 387 - Elastic Metaspace

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#257 opened on Oct 22, 2025

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enhancementgood first issuehacktoberfesthelp wanted

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Description

Create demo for Java 16 feature JEP 387 - Elastic Metaspace

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Contributor guide

Research direction
Study JEP 387 to understand elastic metaspace, then create a simple Java program that demonstrates the feature, e.g., by loading classes and showing metaspace usage via JMX or JVM flags.
Tech stack
java
Domain
backend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitJava
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60