정동섭

Election.java

// 정동섭
import java.util.Random;
import java.util.Scanner;

public class Election {
    static final int MAX_SIZE= 10;
    String[] candidates= new String[MAX_SIZE];
    int people;

    Election(){
        try(Scanner sc= new Scanner(System.in)) {
            System.out.printf("총 진행할 투표수를 입력해 주세요: ");
            this.people=sc.nextInt();

            System.out.printf("가상 선거를 진행할 후보자 인원을 입력해 주세요.(최대 10명)");
            int candidate_size= sc.nextInt();

            if (candidate_size > 10){
                System.out.println("10명이 최대입니다.");
                candidate_size=10;
            }else if (candidate_size>0){
                System.out.println("입후보한 사람은 "+ candidate_size +"명");
            }

            for (int i=0; i<candidate_size; i++){
                System.out.printf(String.format("%d 번째 후보자 이름을 입력해 주세요.", i+1));
                this.candidates[i]= sc.next();
            }
        }catch (Exception e){
            System.out.println(e);
        }
    }

    private int getSizeOfCandidate(){
        int count= 0;
        for (var e: this.candidates){
            if (e != null)
                count++;
        }
        return count;
    }

    public static void main(String[] args) {
        Election election= new Election();

        int count= election.getSizeOfCandidate();

        int[] voting= new int[count];
        Random random= new Random();
        for (int i=1; i<= election.people; i++){
            int one_vote= random.nextInt(count);
            double percentage= ((double) i/election.people) * 100;

            voting[one_vote]+= 1;

            System.out.println(String.format("[투표 진행률] %.2f%% %d명 투표 => %s", percentage,i, election.candidates[one_vote]));

            for (int j=1; j<=count; j++){
                String name= election.candidates[j-1];
                double present= ((double) voting[j-1]/election.people) *100;
                System.out.println("[기호"+j+"] "+name+" :   "+present+ "%"+"  (투표수: "+ voting[j-1] +")");
//                System.out.printf(String.format("[기호 %d] %s : %.2f (투표수: %d)\n"), j,name,present,voting[j-1]);
            }
        }
    }
}