[Java8] Map을 List로 변환 (Map to List)
✍️ Map to List @AllArgsConstructor @ToString public class Member { private int id; private String name; } Map.keySet() : Key 값들을 Set으로 반환 Map.values() : Value 값들을 Collection으로 반환 1. Constructor Map map = new HashMap(); map.put(1, "이말년"); map.put(2, "침착맨"); map.put(3, "주호민"); List ids = new ArrayList(map.keySet()); System.out.println(ids); // [1, 2, 3] List names = new ArrayList(map.values()); Sy..