大佬求救 这个题用 java怎么写，明天上课交

[刘云燕]

编写一个程序,使用户输人选举中5位竞选人的姓名，每位竞选人的得票数，程序输州每位竞选人的姓名得票数和得票数占总投票数的百分比,还应输出此次选举的获胜者一名。

[kang5789]

package test;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Scanner;

public class MyTest {

	public static void main(String[] args) {
		// 投票数
		Integer sumVotes = 0;
		// 竞选人
		List<Campaigner> list = new ArrayList<>();

		for (;;) {
			System.out.print("请输入竞选人名字：");
			Scanner scan = new Scanner(System.in);
			String username = scan.nextLine();

			System.out.print("请输入投给[" + username + "]的票数：");
			Integer vote = Integer.valueOf(scan.nextLine());
			sumVotes += vote;

			Campaigner campaigner = new Campaigner(username, vote);
			list.add(campaigner);
			// 排序
			sort(list);
			// 输出结果
			System.out.println("当前总票数：" + sumVotes);
			int i = 1;
			for (Campaigner c : list) {
				Integer votes = c.getVotes();
				String rate = String.format("%.2f", ((double) votes / sumVotes) * 100) + "%";
				c.setRate(rate);
				System.out.println("第" + i + "名：" + c);
				i++;
			}
		}

	}

	public static void sort(List<Campaigner> list) {
		Collections.sort(list, new Comparator<Campaigner>() {
			@Override
			public int compare(Campaigner c1, Campaigner c2) {
				return c2.getVotes().compareTo(c1.getVotes());
			}
		});
	}

	public static class Campaigner {
		private String username;
		private Integer votes;
		private String rate;

		@Override
		public String toString() {
			return " [username=" + username + ", votes=" + votes + ", rate=" + rate + "]";
		}

		public Campaigner(String username, Integer votes) {
			super();
			this.username = username;
			this.votes = votes;
		}

		public String getUsername() {
			return username;
		}

		public void setUsername(String username) {
			this.username = username;
		}

		public Integer getVotes() {
			return votes;
		}

		public void setVotes(Integer votes) {
			this.votes = votes;
		}

		public String getRate() {
			return rate;
		}

		public void setRate(String rate) {
			this.rate = rate;
		}

	}

}