jdbc question

If I submit a query joining two tables with identical column names, how can 
I differentiate the different columns and get the correct values?

table test1
(col1 INTEGER,
col2 INTEGER)

table test2
(col1 INTEGER,
col2 INTEGER)


select * from test1, test2
where test1.col1 = test2.col1

The call
rs.getInt("col1") returns successfully with a value, but there are 2 col1 
columns in the resultset.

Thanks,
Phillip