Learn Java

“Learn Java” delves into the fundamentals of Java programming, covering essential concepts for beginners to build a strong foundation. The content likely includes topics such as variables, data types, control structures, functions, and object-oriented programming principles. Additionally, the document may explore more advanced Java features like exception handling, file handling, and working with databases. Overall, “Learn Java” aims to provide a comprehensive guide for individuals looking to start their journey in Java programming, offering a structured approach to learning the language from basic concepts to more complex applications.

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Building a Java application in IntelliJ IDEA

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Overview An IDE (Integrated Development Environment) allows you to quickly create applications by combining a source-code editor with the ability to compile and run your code, as well as integration ...

Common I/O Tasks in Modern Java

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Introduction This article focuses on tasks that application programmers are likely to encounter, particularly in web applications, such as: Reading and writing text files Reading text, images, JSON f...

Java Platform Evolution

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Java has been around since 1995, is used by over 10 million developers in almost every country in the world, and powers a large part of the global economy. It truly is one of the most successful tech...

The Gatherer API

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Introducing Gatherers Starting with the JDK 24 you can use a specific API to model your intermediate operations in the Stream API, called the Gatherers API. Design-wise it is similar to the Collector...

Choosing the Right Implementation Between ArrayList and LinkedList

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Introduction The Collection Frameworks give you two implementations of the List interface: ArrayList and LinkedList . Is there one that is better than this other? Which one should you choose in your ...

Generate Java Bindings with Jextract

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Introduction When developing Java applications there can be use cases when those require access to libraries and third-party memory written in other programming languages. Project Panama was designed...

How to Handle a Call from Native Code Back to Java Code

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Introduction There are use cases when you need to invoke foreign functions that have as arguments pointers to another function, like sorting the elements of an array with the standard C library funct...

Troubleshoot Calls to Native Library Functions

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Invoke Foreign Functions that Return Pointers Sometimes foreign functions allocate a region of memory, then return a pointer to that region. This is the case of the C standard library function void *...

Invoke a C Library Function

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Overview As Foreign Function and Memory API can help you with invoking native code, this tutorial covers how to call a C library function from Java. Consider the strdup C standard library function: T...

Access Off-Heap or On-Heap Memory with Memory Segments

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Overview of On-Heap and Off-Heap Memory In Java, the JVM's garbage collector manages on-heap memory for storing objects. The heap can grow or shrink while the application runs, and when it becomes fu...

Access Native Data Types

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Describe a C structure with a MemoryLayout Getting access to structured data with only basic operations can produce complicated code difficult to maintain. An elegant solution is to use memory layout...

Jextract - The Native Library Binding Extraction Tool

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