/* * 기본적인 루프 * – map.forEach() */ map.forEach((k, v) -> System.out.println("key: " + k + ", value: " + v)); map.forEach((k,v) -> { System.out.println("key: " + k + ", value: " + v) }); map.entrySet().forEach((e) -> System.out.println("key: " + e.getKey() + ", value: " + e.getValue())); map.keySet().forEach((k) -> System.out.println("key: " + k)); map.values().forEach((v) ->… Read More »
private Map<String, OwnerVO> getSortedMapByOwnerTotChgVol(Map<String, OwnerVO> ownerMap) { List<Map.Entry<String, OwnerVO>> sortList = new LinkedList<>(ownerMap.entrySet()); Collections.sort(sortList, new Comparator<Map.Entry<String, OwnerVO>>() { @Override public int compare(Entry<String, OwnerVO> o1, Entry<String, OwnerVO> o2) { return ((o1.getValue().getTotChgVol() – o2.getValue().getTotChgVol()) < 0 ? 1 : -1); } }); Map<String, OwnerVO> sortedMap = new LinkedHashMap<>(); Iterator<Map.Entry<String, OwnerVO>> iter = sortList.iterator(); while(iter.hasNext()) { Map.Entry<String, OwnerVO>… Read More »
처음에는 json으로 serialize 해서 넘기고 그랬었는데, 이미 편리한 메서드가 존재하고 있었다. fragment.getArguments().putSerializable(“testMap”, testMap); Map testMap = fragment.getArguments().getSerializable(“testMap”);
