Java Essentials Volume 2 provides structured pathway from Java fundamentals to advanced application development ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Instance main methods and unnamed classes, coming in Java 21, will forever change how developers ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

Method references are a shorthand way to write lambda expressions that call a single method. Rather than implementing a method in a functional interface, a method reference simply points to an ...

Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'int android.graphics.Bitmap.getWidth()' on a null object reference at com.airbnb ...

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 Now it's being superseded by newer, safer options.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 ...

Abstract: When a method throws an exception—its exception precondition—is a crucial element of the method’s documentation that clients should know to properly use it. Unfortunately, exceptional ...