Java Tutorials

Explore our Java tutorials and learn at your own pace

September 18, 2025

Java Memory Management with G1 GC

The Garbage-First (G1) Garbage Collector is a server-style garbage collector, introduced in Java 7 and made the default in Java 9. It is designed for multiproce...

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August 16, 2025

Java Annotation Processing for Compile‑Time Metaprogramming

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August 15, 2025

Java Foreign Function & Memory API Deep Dive

The Foreign Function & Memory (FFM) API, the flagship feature of Project Panama, finally graduated from preview to a fully integrated part of the JDK in Java 22...

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August 13, 2025

Mastering Java Streams for Data Transformation

Java’s Stream API, introduced in Java 8, lets developers express complex data‑processing pipelines in a concise, functional style. By treating collections as pi...

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August 13, 2025

Zero‑Overhead Java Memory Management with VarHandles

Java developers have long relied on the garbage collector to handle heap memory, but the ever‑growing demands of low‑latency services, high‑throughput data pipe...

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August 8, 2025

Mastering Java Optionals for Robust Code

Java's NullPointerException (NPE) has long been a notorious source of bugs and runtime errors, leading to less reliable and harder-to-maintain codebases. Introd...

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August 7, 2025

Mastering Java Reflection and Annotation Processing

Java, a cornerstone of enterprise software, provides powerful mechanisms for inspecting and manipulating code at runtime and compile time. Two such advanced fea...

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August 6, 2025

Leveraging Java Optionals to Prevent NullPointerExceptions

NullPointerExceptions (NPEs) have long been a notorious source of bugs and runtime failures in Java applications. Often dubbed the "billion-dollar mistake," NPE...

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August 5, 2025

Advanced Java Memory Management

Effective memory management is crucial for developing high-performance and stable Java applications. A deep understanding of how the Java Virtual Machine (JVM) ...

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August 3, 2025

Effective Exception Handling in Java

Exception handling is a critical aspect of building robust and reliable Java applications. Proper exception management ensures that your programs can gracefully...

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July 19, 2025

Demystifying Java's Optional Class

The Optional class, introduced in Java 8, is a container object used to contain a non-null object. It's a powerful tool for tackling one of the most common and ...

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July 18, 2025

Mastering Java Streams for Data Processing Large Datasets

Processing vast amounts of data efficiently is a critical challenge in modern software development. Java's Stream API, introduced in Java 8, provides a powerful...

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