Inherited programming exercises

Access the father class through son:

The code is as follows:

Father class:

Public class father {/ / instance variable and instance method int XX = 10; public void method() {system. Out. Println ("in father, method");}// Static variable and static method static int YY = 20; public static void sMethod(){ System.out.println("in father,static method"); }

}

Son class:

public class Son extends Father {

}

Test demo class:

Public class demo {public static void main (string [] args) {/ / access the instance member son Xiaoming = new son(); Xiaoming. Method(); system. Out. Println (Xiaoming. XX); / / access the static member son. Smethod(); system. Out. Println (son. YY);}}