public static void main(String[] args) {
        String[] strs = new String[]{"a","a","b","b","c","c","d","d","e","e"};
        System.out.println("起始含有重复数据的数组：");
        for(String s : strs){
            System.out.println(s);
        }
        Set<String> set = new HashSet<String>();
        for(String str : strs){
            set.add(str);
        }
        strs = new String[set.size()];
        Iterator<String> iterator = set.iterator();
        int i = 0;
        while(iterator.hasNext()){
            strs[i++] = iterator.next();
        }
        System.out.println("去掉重复数据的数组：");
        for(String s : strs){
            System.out.println(s);
        }
    }