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This article mainly introduces "how to understand java dynamic binding". In daily operation, I believe many people have doubts about how to understand java dynamic binding. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful for you to answer the doubts of "how to understand java dynamic binding". Next, please follow the editor to study!

Concept

1. Dynamic binding refers to binding according to the type of object during operation.

2. The process by which JVM decides which object to call while running is called dynamic binding.

The process of dynamic binding

3. The virtual machine extracts the method table of the actual type of the object, searches the method signature and invokes the method.

Example

Public class Main {public static void main (String [] args) {A b = new B (); b.print ();}} class A {public void print () {System.out.println ("A");}} class B extends A {@ Override public void print () {System.out.println ("B") }} at this point, the study on "how to understand java dynamic binding" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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