Friends

Here's my Q.

HashMap h1;
HashMap h2;



h1 contains some hashmap elements & those elements contains arraylist elements.

I tried to retrieve hashmap elements of h1.

ie.

h2=(HashMap)h1.get(index);

(If h1 contains some elements which has null values, i'm gettin
"java.lang.ClassCastException".)

Is there any way to detect the null value of those elements?

Thanks
M.