second_attempt.java

public static List<Apple> filterApplesByColor(List<Apple> inventory, Color color) {
  List<Apple> result = new ArrayList<>();
  for (Apple apple: inventory) {
    if ( apple.getColor().equals(color) ) {
      result.add(apple);
    }
  }
  return result;
}
// 구현한 메서드를 호출하기
List<Apple> greenApples = filterApplesByColor(inventory, GREEN);
List<Apple> redApples = filterApplesByColor(inventory, RED);


// 무게 정보 파라미터 추가하기
public static List<Apple> filterApplesByWeight(List<Apple> inventory, int weight) {
  List<Apple> result = new ArrayList<>();
  for (Apple apple : inventory) {
    if (apple.getWeight() > weight) {
      result.add(apple);
    }
  }
  return result;
}