JavaTeamProject/FiresStatus at main · cozymob/JavaTeamProject · GitHub

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import java.util.ArrayList;
import java.util.HashMap;
import java.util.Scanner;

public class WildFireStatus {


	private int answer;
	private boolean menue;

	public void selectMenue(ArrayList<String> onFire,Scanner scanner) {
		String statusMessage;
		menue=false;

		while(menue==false) {
			System.out.println("1.현재 접수된 신고 현황\n2.최근 대구 산불 통계\n3.메인으로 돌아가기 ");
			answer=scanner.nextInt();
			scanner.nextLine();
		switch(answer) {

		case 1:

			if(onFire.isEmpty()) {
				System.out.println("\n접수된 신고가 없습니다.");
				}
			else {
				HashMap<String,Integer> rpCount=countDuplicates(onFire);
				statistics(rpCount);
				for (String mountain : rpCount.keySet()) {
				    int count = rpCount.get(mountain);
				    if (count == 1) {
				        statusMessage = "-> 의심";
				    } else if (count <= 3) {
				        statusMessage = "-> 유력";
				    } else if (count <= 5) {
				        statusMessage = "-> 확실";
				    } else {
				        statusMessage = "-> 즉시 대응 필요";
				    }
				    if (count >= 1) {
				        System.out.println(mountain + "("+ count + "회)"+ statusMessage);
				    }

				}


				}
			break;
		case 2:
			System.out.println("대구 산불 통계: ???");
			break;
		case 3:
			this.menue=true;
			break;
		default: System.out.println("잘못된 메뉴 선택입니다. 다시 선택해주세요");
		}//switch
		}//while

	}

	public HashMap<String, Integer> countDuplicates(ArrayList<String> list) {//중복신고시 신고 횟수 업데이트
	    HashMap<String, Integer> countMap = new HashMap<>();

	    for (String item : list) {
	        countMap.put(item, countMap.getOrDefault(item, 0) + 1);
	    }

	    return countMap;
	}

	public void statistics(HashMap<String,Integer> mountains) {
		String maxCountMountain="";
		Integer maxCount=0;
		int mtCount=mountains.size();
		int rpCount=0;
		boolean a =true;
		for(String key:mountains.keySet()) {
			rpCount+=mountains.get(key);
			if(maxCount<mountains.get(key)) {
				maxCount=mountains.get(key);
				maxCountMountain=key;

			}

		System.out.println("총 신고건수 : "+rpCount);
		System.out.println("가장 많이 신고된 산 : "+maxCountMountain+"("+mountains.get(maxCountMountain)+"회)");
		System.out.println("신고된 산의 개수 : "+ mtCount+"\n");


	}
}}