Introduced with the Java 17 release, pattern matching enhances the instanceof operator so Java developers can better check and object's type and extract its components, and more efficiently deal with ...

Area: " + r.width() * r.height(); case Triangle t -> "It's a triangle ... Here comes Java's sealed classes to your rescue. Advanced Java pattern matching techniques, with examples Dive deeper into ...

import java.util.regex.Matcher; import java.util.regex.Pattern; import ... at 9 Found [b] starting at 10 and ending at 10 Found [r] starting at 11 and ending at 11 Found [o] starting at 12 and ...

For a more common use case in enterprise applications, see my discussion about using the Command pattern to apply discounts in an enterprise shopping cart. Rafael del Nero is a Java Champion and ...

Java SE 14 (March 2020) introduced a limited form of pattern matching as a preview feature, which becomes a permanent feature in Java SE 16 (March 2021). The first phase of pattern matching is ...

We discuss some of the most common design patterns in Java and how they can help you solve common coding issues. Learn more. A design pattern is a well-established and documented solution to a ...