If you are a Java programmer, you probably know that Java is an object-oriented language that supports inheritance and polymorphism. But how do you check if an object belongs to a certain class or ...

> 原文:[https://www . geesforgeks . org/instance of-operator-vs-is instance-method-in-Java/](https://www.geeksforgeeks.org/instanceof-operator-vs-isinstance-method ...

The instanceof operator in Java 14 has been extended to allow for what's called a "test type pattern" which allows for Pattern Matching to be used. This test type pattern is a combination of a ...

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 ...