Help with homework

hi, can anyone plz tell me what is the method to find the subset of a set of numbers. thank you
[110 byte] By [bobolya] at [2007-11-26 22:21:14]
# 1
public Set subset(Set numbers) {// your code goes here}
floundera at 2007-7-10 11:18:53 > top of Java-index,Java Essentials,Java Programming...