数组去重

//数组去重 利用set集合
public String[] noDup(String[] array) {
Set<String> set = new HashSet<String>();
for (String str : array)
set.add(str);
String[] result = new String[set.size()];
Iterator<String> it = set.iterator();
int i=0;
while(it.hasNext()){
result[i]=it.next();
i++;
}
return result;
}