cannot create an array where the type is an inner interface of a
generic class...

frog:~/workspaces/test/InnerInterfaceArray $ cat -n InnerInterfaceArray.java
     1 class Outer {
     2 interface Inner {}
     3 interface GenericInner<X> {}
     4 }
     5
     6 class GenericOuter<X> {
     7 interface Inner {}
     8 interface GenericInner<Y> { }
     9 }
    10
    11 class User {
    12
    13 // non generic version - this is OK
    14 Outer.Inner[] inners=new Outer.Inner[10];
    15
    16 // non generic class with generic inner Interface - this is OK
    17 Outer.GenericInner<String>[] genericInners=new Outer.GenericInner<String>[10];
    18
    19 // compiler chokes on generic class with inner interface thus
    20 GenericOuter<String>.Inner[] nonGensgens=new GenericOuter<String>.Inner[10];
    21
    22 // compiler chokes on generic class with generic inner interface thus
    23 GenericOuter<String>.GenericInner<String>[] gengens=new GenericOuter<String>.GenericInner<String>[10];
    24
    25 }
frog:~/workspaces/test/InnerInterfaceArray $ newjavac -gj InnerInterfaceArray.java
InnerInterfaceArray.java:20: '(' or '[' expected
    GenericOuter<String>.Inner[] nonGensgens=new GenericOuter<String>.Inner[10];
                                                                     ^
InnerInterfaceArray.java:23: '(' or '[' expected
    GenericOuter<String>.GenericInner<String>[] gengens=new GenericOuter<String>.GenericInner<String>[10];
                                                                                ^
2 errors
frog:~/workspaces/test/InnerInterfaceArray $