java去重

List<SpInfo> spInfo = new ArrayList<SpInfo>();
			for(int i=0;i<spcsList.size();i++){
				spInfo.add(spcsList.get(i).getSpinfo());
			}
			
			Set set=new HashSet();  //list去掉重复的spinfo
			set.addAll(spInfo);
			List<SpInfo>  listNoRepeat = new ArrayList<SpInfo>();
			listNoRepeat.addAll(set);