A new Java 22 feature lets developers efficiently and securely invoke non-Java native functions and access memory outside the Java heap. Here's how it works.

Get a deep dive into using method references in your Java programs, including stream operations, event listeners, and constructors and factories.

In the Method Handles API, introduced in Java 7, this role is fulfilled by the java.lang.invoke.MethodType class, which uses immutable instances to represent signatures.