class A 123456789 1卫tx Int y public void method1() System. out. printIn(x) H 1曰c1 ass B extends a ant z 234123456 } 日 public c1 Test public static void main(String args[]) B bl=new B(): b1.x=3 89 b1. method1() A al=new A() al method1() 10 11-}