frog$ cat -n Q2.java
     1 class AS {
     2 protected String o() { return "aso"; }
     3 }
     4
     5 public class Q2 {
     6 public class A extends AS {
     7 class Inner {
     8 void test() {
     9 A.super.o();
    10 }
    11 }
    12 A() {
    13 Inner i = new Inner();
    14 i.test();
    15 }
    16 }
    17
    18 public static void main(String[] args) {
    19 A a = new Q2().new A();
    20 }
    21 }
frog$ javac1.4 -target 1.2 Q2.java
+ /usr/local/java/jdk1.4.0/solsparc/bin/javac -target 1.2 Q2.java
frog$ java1.4 Q2
+ /usr/local/java/jdk1.4.0/solsparc/bin/java Q2
Exception in thread "main" java.lang.NoSuchMethodError: AS.access$001(LQ2$A;)Ljava/lang/String;
at Q2$A$Inner.test(Q2.java:9)
at Q2$A.<init>(Q2.java:14)
at Q2.main(Q2.java:19)
frog$