AloisSeckar/demos-java

JEP 374 – Disable and Deprecate Biased Locking

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#291 opened on Oct 23, 2025

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Description

Create demo for Java 15 feature JEP 374 – Disable and Deprecate Biased Locking

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Contributor guide

Research direction
Study JEP 374, then write a Java program that demonstrates biased locking behavior using JVM flags XX:+UseBiasedLocking and XX: UseBiasedLocking. Compare thread contention and performance.
Tech stack
java
Domain
backendperformance
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.
Half day
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
Java
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70