I'm getting a compiler warning with generics in J2SDK1.5.0

Question

javac -source 1.5 -target 1.5 -Xlint:unchecked Test.java
Test.java:72: warning: unchecked cast to type TYPE mValues = (TYPE[])new Object[aInitialSize];
My code is below, and ideas why this warning appears, is it a bug in my code or is the compiler faulty?
(crosspost warning, I posted the same question on www.javalobby.org, no need for flaming...)
static class Array
     private TYPE [] mValues;
     public Array(int aInitialSize)
          mValues = (TYPE[])new Object[aInitialSize];
     public void set(int aIndex, TYPE aValue)
          mValues[aIndex] = aValue;
     public TYPE get(int aIndex)
          return mValues[aIndex];
Sincerely,
Patrik Olsson

Answer 1

I asked Sun about this and they replayed:
No, because it is not typesafe. Consider the code
class A<T> {
T[] f() { return (T[])new Object[10]; }
This will cause a class cast exception in its caller, even if the caller has no
cast:
A<Integer> ai = new A<Integer>();
Integer[] a = ai.f(); // BOOM!
Don't use arrays. Use collections.