The Java debugger API misinterprets stack values which are arrays.
 - It treats them as funny RemoteObjects with zero fields, instead of
     RemoteArray objects. That is to say RemoteStackVariable.getValue() will
     never return a RemoteArray object.

jdb will show this:
---------------------------------------------------

 orbit 67 =>jdb Foo
Initializing jdb...
0xee30c4b8:class(Foo)

> stop in Foo.test
Breakpoint set in Foo.test

> run Foo
Can do magnitude on characters
running ...
main[1]
Breakpoint hit: Foo.test (Foo:5)

main[1] where
  [1] Foo.test (Foo:5)
  [2] Foo.main (Foo:14)

main[1] up

main[2] locals
Local variables and arguments:
  argv = [Ljava.lang.String;@6e300880
  aaa = [I@6e30ab78
  bbb = [Ljava.lang.Object;@6e30abb0

main[2] dump argv
argv = ([Ljava.lang.String;)0xee300880 {
}

main[2] dump aaa
aaa = ([I)0xee30ab78 {
}

main[2] quit

-------------------------------------------------
Source for Foo.java:

public class Foo {
    public static void test (int x, String str, char c) {
        System.out.println(str + x + c);
    }

  public static void main(String[] argv) {
                int[] aaa = new int[10];
                Object[] bbb = new Object[10];

    if ('a' < 'b')
        System.out.println("Can do magnitude on characters");

    test(1, "Test", 'A');
    if (('a' + 'c') < 'b')
System.out.println("Can do addition on characters");
    if (('a' >> 2) < 'b')
System.out.println("Can do bit shift on characters");
    if ((~'a') < 'b')
System.out.println("Can do bit negation on characters");

    if ((bbb[1] == bbb[2]) && (aaa[1] < 10))
System.out.println("Don't optimize away my arrays man!");
  };
 /* private */ Foo() {}; // private constructor
 private int a;
}