import java.util.Scanner;
import java.util.ArrayList;
import java.util.Random;

public class UserInterface {

    private Random rand;
    private Scanner read;
    private Participants participant;
    private ArrayList<Participants> list;

    public UserInterface(Scanner read) {
        this.read = read;
        this.rand = new Random();
        list = new ArrayList<Participants>();
    }

    public void start() {
        sText();
        addParticipants();
        play();
        results();
    }

    public void sText() {
        System.out.println("Kumpula ski jumping week");
        System.out.println("");
        System.out.println("Write the name of the participants one at a time; "
                + "an empty string brings you to the jumping phase.");
    }

    public void addParticipants() {
        while(true){
            System.out.print("Participant name: ");
            String name = read.nextLine();
            if (name.isEmpty()){
                break;
            } else {
                participant = new Participants(name);
                list.add(participant);
            }
        }
        System.out.println("");
    }

    public void play() {
        System.out.println("The tournament begins!");
        System.out.println("");
        int count = 0;

        while (true) {
            System.out.print("Write 'jump' to jump; otherwise you quit: ");
            String input = read.nextLine();
            if (!input.equals("jump")) {
                break;
            } else {
                count++;
                System.out.println("Round " + count + "\n");
                jumpOrder();

                for (Participants people : list){
                    people.jump();
                    people.judge();
                }
                System.out.println("\n" + "Results of round " + count);
                roundResults();
                for (Participants people : list) {
                    people.judgeSort();
                }
            }
        }
    }

    public void jumpOrder() {
        System.out.println("Jumping order: ");
        int i = 0;

        for (Participants people : list) {
            i++;
            System.out.println("  " + i + ". " + people.getName() + " (" + people.getTotal() + " points)");
        }
    }

    public void roundResults() {
        for (Participants people : list) {
            System.out.println("  " + people.getName() );
            System.out.println("    length: " + people.getLength() );
            System.out.println("    judge votes: " + people.listJudges() );
        }
        System.out.println("");
    }

    public void results() {
        System.out.println("Thanks!\n");
        System.out.println("Tournament results:");
        System.out.println("Position    Name");
        int count = 0;
        for (Participants name : list) {
            count++;
            System.out.println(count + "           " + name.getName() + " (" + name.getTotal() + " points)");
            System.out.println("            jump lengths:" + name.listJumps() );
        }
    }
}
-------------------------------------------------------
import java.util.ArrayList;
import java.util.Collections;

public class Participants implements Comparable<Participants> {

    private String name;
    private ArrayList<Integer> jumps;
    private ArrayList<Integer> judges;
    private int jTotal;
    private int length;

    public Participants(String name) {
        this.name = name;
        this.jTotal = 0;
        jumps = new ArrayList<Integer>();
    }

    public void jump() {
        length = (int) ((Math.random() * ((120 - 60) + 1)) + 60);
        jumps.add(length);
    }

    public void judge() {
        judges = new ArrayList<Integer>();
        if (judges.size() > 0) {
            judges.clear();
        }

        for (int i = 0; i < 5; i++){
            int temp = (int) ((Math.random() * ((20-10) + 1)) + 10);
            judges.add(temp);
        }
    }

    public void judgeSort() {
        int i = 1;

        Collections.sort(judges);
        while (i < 4){
            int points = judges.get(i);
            jTotal += points;
            i++;
        }
    }

    public ArrayList<Integer> listJudges() {
        return judges;
    }

    public int getLength() {
        return length;
    }

    public String getName() {
        return this.name;
    }

    public ArrayList<Integer> listJumps() {
        return jumps;
    }

    public int getjTotal() {
        return jTotal;
    }

    public int getTotal() {
        int temp = 0;
        for (Integer jump : jumps) {
            temp += jump;
        }
        return temp + jTotal;
    }

    @Override
    public int compareTo(Participants people) {
        return this.jTotal - people.getjTotal();
    }

}