2025 - Java Tutorial Site

Using JFR (Java Flight Recorder)

📈 Mastering Java Flight Recorder (JFR): A Complete Guide to Java Performance Profiling Java Flight Recorder (JFR) is one of the most po...

Java Benchmarking with JMH (Java Microbenchmarking Harness) When it comes to measuring the performance of small code snippets in Java, t...

Java Linting and Code Quality Tools: Checkstyle, PMD, and SpotBugs When building Java applications, writing clean, maintainable, and bug-f...

📚 Using JPMS (Java Platform Module System): A Complete Guide The Java Platform Module System (JPMS) was introduced in Java 9 under Proje...

Null Safety Patterns and Optional Enhancements in Modern Programming In modern software development, null safety has become a critical de...

Switch Expressions in Java 14+: A Complete Guide In Java programming, switch has been around for a long time. Traditionally, it has been ...

Text Blocks in Java (Multi-line Strings) – Explained with Examples Working with multi-line strings has traditionally been cumbersome in Ja...

Records in Java (Data-Carrying Classes) Introduction In Java programming, we often create classes whose main job is just to carry data —...

Sealed Classes in Java: A Complete Guide for Beginners In the world of Java programming, encapsulation , inheritance , and polymorphism f...

Pattern Matching for instanceof in Java 16+: A Complete Guide Java has been one of the most popular programming languages for decades, b...

Reactive Streams and Flow API in Java: A Complete Guide In the world of modern applications, handling massive volumes of data with scalabil...