Since Java 21, wrapper classes have played an increasingly sophisticated role in Java’s type system. Here’s everything you ...

Writing pure functions in Java. Listing 1 presents the source code to an example application, DaysInMonth, that is written using an an anonymous inner class and a functional interface.This ...

JNI allows the use of function libraries made in languages such as C, C++, VB from Java applications. The advantage of JNI is that you don't need to write the calling function definition in Java ...

Java factorial recursion explained. Notice how the recursive Java factorial function does not need an iterative loop. Instead, the code repeatedly calls itself until a stop condition is met. In this ...

Developers interested in using Java to build serverless apps using Microsoft Azure Functions will now have that option, Microsoft plans to announce Wednesday at JavaOne. One of the most requested ...

What is a parameterized constructor in Java? The default constructor is perfect to perform the exact function that it describes: assign defaults. But in real-world Java applications, the program ...

Developers can use Java 8, introduced last year, and any of the usual Java libraries, along with the AWS SDK for Java. AWS provides two libraries for Lambda, aws-lambda-java-core for function handlers ...

JDK Enhancement Proposal (JEP) 191 defines the Java Foreign Function Interface (FFI), which are interfaces that can bind native functions to Java methods and can manage blocks of native memory.