取100以内10个不同的随机整数有关问题

取100以内10个不同的随机整数问题
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

public class RandomData{
         public static void main(String[] args)
         {
             Set<Integer> datas = getRandomData();
             Iterator<Integer> iter = datas.iterator();
             while(iter.hasNext()){
                 System.out.println(iter.next());
             }
         }

         private static Set<Integer> getRandomData(){
             Integer data = null;
             Set<Integer> datas = new HashSet<Integer>();
             while(datas.size() < 10){
                 data = new Integer((int) (Math.random()*100));
                 datas.add(data);
             }
             return datas;
         }
}