Inside Java

“Inside Java” delves into the intricacies of Java programming, exploring advanced concepts and techniques. The document provides insights into Java’s inner workings, highlighting key features, best practices, and practical applications. It offers a comprehensive guide for Java developers looking to enhance their skills and deepen their understanding of the language. By leveraging the information from related sources, the content of “Inside Java” is likely to cover topics such as Java performance optimization, memory management, and advanced programming paradigms. Overall, the document serves as a valuable resource for Java enthusiasts seeking to elevate their expertise in the language.

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JDK GCs Comparison - Sip of Java

Inside Java

As of JDK 18, the JDK comes packaged with four garbage collectors (GC); Serial GC, Parallel GC, G1 GC, and ZGC. In most scenarios, G1 GC, the default GC, will be the best choice. However, understandi...

Separate Operations From Data - Data-Oriented Programming v1.1

Inside Java

Not surprisingly, data-oriented programming (DOP) has a strong focus on data. In fact, three of the four guiding principles of DOP v1.1, which we’re exploring in this series , advise how to best model...

Experimenting with JFR Mirror Events

Inside Java

This writeup describes a number of observations while performing an experiment to determine the feasibility of using JFR mirror events in core parts of the JDK, in particular, the Networking APIs. Mir...

JDK Mission Control 8.3 - Sip of Java

Inside Java

JDK Mission Control, JMC, is a control panel for managing, monitoring, and troubleshooting JVM applications. In November 2022, a new minor version of JMC was released, 8.3. Let’s take a look at some ...

Testing Clean Cleaner Cleanup

Inside Java

In Replacing Finalizers with Cleaners , the cleanup of resources encapsulated by heap objects is arranged using two complementary mechanisms, try-with-resources, and the Cleaner . Resources needing s...

Replacing Finalizers with Cleaners

Inside Java

Cleaners were introduced in JDK 9 as a mechanism to call cleanup functions for heap objects that have security sensitive content or encapsulate non-heap resources. JEP 421: Deprecate Finalization for...

Scripting with Java - Sip of Java

Inside Java

Recent changes to the JDK and some long-existing APIs have made Java a more practical choice for writing small utility applications. This can benefit Java developers who may not have as much familiar...

Quality Outreach Heads-up - JDK 27: Numeric Fields in JSON Thread Dumps

Inside Java

The OpenJDK Quality Group is promoting the testing of FOSS projects with OpenJDK builds as a way to improve the overall quality of the release. This heads-up is part of a Quality Outreach update sent...

Quality Outreach Heads-up - JDK 27: Post-Quantum Hybrid Key Exchange for TLS 1.3

Inside Java

Quality Outreach Heads-up - JDK 26: Warnings About Final Field Mutation

Inside Java

Quality Outreach Heads-up - JDK 27: Removal of Deprecated Java Launcher Options

Inside Java

JFR Event Stream - Sip of Java

Inside Java

JDK Flight Recorder (JFR) is an event-based tool for monitoring and profiling built into the JDK. JFR has a very low overhead of <1% using default settings allowing it to be used in production. Typic...