Java provides an operator called instanceof that lets one determine what type a given object is during program execution. In this practicum, we declare a variable of type Object. The variable, ...

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

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 ...

Learn the four types of polymorphism in Java, then start using subtype polymorphism to execute different forms of the same Java method. Polymorphism refers to the ability of some entities to occur in ...