prac_1_oop

//main.java
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class Main {
    public static void main(String[] args) {
        IndividComp indComp1 = new IndividComp("16.02.2022", 10, "andrew", "watches");
        IndividComp indComp2 = new IndividComp("17.02.2022", 15, "valeron", "phone");
        TeamComp teamComp1 = new TeamComp("17.02.2022", 20, "denis", "Ufa");
        TeamComp teamComp2 = new TeamComp("12.01.2022", 33, "Vityaz'", "Surgut");

        indComp1.allData();


        List<TeamComp> listTc = new ArrayList<>(Arrays.asList(teamComp1));
        List<IndividComp> listIc = new ArrayList<>(Arrays.asList(indComp1));

        listTc.add(teamComp2);
        listIc.add(indComp2);

        Championship championships = new Championship(listTc, listIc);
        Championship.everyone(listTc, listIc);

        championships.IndividCompAm();
        championships.TeamCompAm();
    }
}

//Compettition.java
import java.util.List;

public class Competition {
    private String date;
    private int participants;
    private String winner;

    int toCount(){
        return participants;
    }

    void allData(){
        System.out.println("Соревнование было: " + date + ", Участвовало: " + participants + " человек, Победил: " + winner);
    }
    public Competition(String date, int participants, String winner) {
        this.date = date;
        this.participants = participants;
        this.winner = winner;
    }
}

class TeamComp extends  Competition {
    private String city;


    public TeamComp(String date, int participants, String winner, String city) {
        super(date, participants, winner);
        this.city = city;
    }
}

class IndividComp extends  Competition{
    private String gift;
    public IndividComp(String date, int participants, String winner, String gift) {
        super(date, participants, winner);
        this.gift = gift;
    }

}

//Championship
import java.util.List;

public class Championship {
    private List<TeamComp> listT;
    private List<IndividComp> listC;

    void IndividCompAm(){
        System.out.println("кол-во индивидуальных: " + listC.size());
    }
    void TeamCompAm(){
        System.out.println("кол-во командных: " + listT.size());
    }
    static void everyone(List<TeamComp> ss1, List<IndividComp> ss2){
        int all = 0;
        for (TeamComp s: ss1) {
            all += s.toCount();
        }
        for (IndividComp s: ss2) {
            all += s.toCount();
        }
        System.out.println("Всего человек участвовало: " + all);
        System.out.println("Количество командных соревнований: " + ss1.size());
        System.out.println("Количество индивидуальных соревнований: " + ss2.size());
    }
    public Championship(List<TeamComp> listT, List<IndividComp> listC) {
        this.listT = listT;
        this.listC = listC;
    }
}