Download Java and java Official Website

Download Java and java Official Website

 

 

Public class SuperClass {public void printA () {System. out. print ("SuperClass-printA"); printB ();} public void printB () {System. out. print ("SuperClass-printB") ;}} public class ChildClass extends SuperClass {public void printA () {System. out. print ("ChildClass-printA"); super. printA ();} public void printB () {System. out. print ("ChildClass-printB");} public static void main (String [] args) {ChildClass childClass = new ChildClass (); childClass. printA () ;}} View Code

Subclass passed super. printA () calls the method of the parent class, while printB () is called in the printA () of the parent class. In this case, the printB () method of the subclass is called.

 

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