Résultat de compilation inattendu

    class A {
int i = 1 ;
int f() { return i ;}
 static char g() { return 'A' ;}
}
class B extends A {
int i = 2 ;
int f () {return -i ;}
 static char g() { return 'B' ;}
}
 class Test {
 public static void main(String args[]) {
 B b = new B() ;
System.out.println(b.i) ;
System.out.println(b.f()) ;
System.out.println(b.g()) ;
System.out.println(B.g()) ;
 A a = b ;
System.out.println(a.i) ;
System.out.println(a.f()) ;

System.out.println(a.g()) ;
System.out.println(A.g()) ;
}}