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2hwayoung
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Jan 6, 2025
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| package com.programmers.devcourse.view; | |||
2hwayoung
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Jan 6, 2025
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| List<Map<String, Object>> rawMap = objectMapper.readValue(file, List.class); | ||
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| for (Map<String, Object> stringObjectMap : rawMap) { |
2hwayoung
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Jan 6, 2025
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| LinkedList<Map<String, Object>> list = new LinkedList<>(); |
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요소를 맨앞에 추가해야할지 뒤에 추가해야할지 txt파일을 처음 다뤄봐서 고민했는데, ArrayList의 경우 첫번째 위치에 값을 추가하면 시간복잡도가 O(n)이라서 앞뒤추가 다 O(1)인 LinkedList로 처리했습니다~
2hwayoung
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Jan 6, 2025
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| public enum CommandType { | |||
2hwayoung
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Jan 6, 2025
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| public long add(Saying saying) { | ||
| element.putIfAbsent(idx, saying); |
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전체적으로 Java 메서드 활용을 너무 잘하시는 것 같습니다! 배울 점이 많네요 ㅎㅎ
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~ Lecture 10
리팩토링 할점