A callback operation in Java is one function that is passed to another function and executed after some action is completed. A callback can be executed either synchronously or asynchronously. In the ...

Reflection was essential to the advanced Java toolkit for years. Now it's being superseded by newer, safer options. Here's how to use MethodHandle and VarHandle to gain programmatic access to methods ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. This article dives into the happens-before ...

Community driven content discussing all aspects of software development from DevOps to design patterns. When you install Java, the JDK comes with a number of helpful utilities packed within the ...

Community driven content discussing all aspects of software development from DevOps to design patterns. To find the size or length of a Java array, follow these four steps Declare a variable of type ...

It’s possible to call someone even if they’ve blocked your number on their iPhone, because the iOS blocking feature relies on your caller ID being visible… and you can hide that fairly easily. Whether ...