Created
November 26, 2019 08:00
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// 무거운 사과 선택 | |
public class AppleHeavyWeightPredicate implements ApplePredicate { | |
public boolean test(Apple apple) { | |
return apple.getWeight() > 150; | |
} | |
} | |
// 녹색 사과 선택 | |
public class AppleGreenColorPredicate implements ApplePredicate { | |
public boolean test(Apple apple) { | |
return GREEN.equals(apple.getColor()); | |
} | |
} | |
public class FilteringApples { | |
public static void main(String...args) { | |
List<Apple> inventory = Arrays.asList(new Apple(80, GREEN), new Apple(155, GREEN), new Apple(120, RED)); | |
List<Apple> heavyApples = filterApples(inventory, new AppleHeavyWeightPredicate()); | |
// 155그램의 사과 한 개 | |
List<Apple> greenApples = filterApples(inventory, new AppleGreenColorPredicate()); | |
// 녹색 사과 두 개 | |
} | |
public static List<Apple> filterApples(List<Apple> inventory, ApplePredicate p) { | |
List<Apple> result = new ArrayList<>(); | |
for (Apple apple : inventory) { | |
if (p.test(apple)){ | |
result.add(apple); | |
} | |
} | |
return result; | |
} | |
} | |
// 로직과 관련없는 코드가 많이 추가되었다... |
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