https://www.geeksforgeeks.org › upcasting-vs-downcasting-in-java

Learn the difference between upcasting and downcasting of objects in Java, with examples and syntax. Upcasting is implicit and allows access to parent class members, while downcasting is explicit and requires a cast operator.

http://www.javacoding.fr › le-cast-en-java-downcasting-et-upcasting ›

Downcasting: classe mère => classe fille, il se fait explicitement. En effet, convertir un objet vers un objet de type dérivé peut échouer. Le code suivant :

https://stackoverflow.com › questions › 380813

To do downcasting in Java, and avoid run-time exceptions, take a reference of the following code: if (animal instanceof Dog) { Dog dogObject = (Dog) animal; } Here, Animal is the parent class and Dog is the child class.

https://www.codejava.net › java-core › the-java-language › what-is-upcasting-and-downcasting...

Learn the difference between upcasting and downcasting in Java, and how to use them with examples. Upcasting is casting to a supertype, downcasting is casting to a subtype, and both can be safe or risky depending on the object type.

https://ichi.pro › fr › qu-est-ce-que-up-casting-et-down-casting-en-java-82872894462848

Dans cet article, je vais vous expliquer la fonctionnalité de diffusion en Java. En lisant cet article, vous serez en mesure de comprendre le code lié au casting. Quand utiliser le casting et comment les rédiger efficacement.

https://www.geeksforgeeks.org › rules-of-downcasting-objects-in-java

Learn how to convert an object of a parent class to a child class using downcasting in Java. See the syntax, rules and examples of downcasting and the exceptions that can occur.

https://www.baeldung.com › java-type-casting

Learn how to perform upcasting and downcasting of reference variables in Java, and how they relate to inheritance, polymorphism, and interfaces. See examples of primitive conversions, instanceof operator, and explicit casting.