05 Football Team Generator

package FootballTeamGenerator;

import java.util.ArrayList;
import java.util.List;

public class Team {
    private String name;
    private List<Player> players;

    public Team(String name) {
        this.setName(name);
        this.players = new ArrayList<>();
    }

    private void setName(String name) {
        if (name == null || name.trim().isEmpty()){
            throw new IllegalArgumentException("A name should not be empty.");
        }
        this.name = name.trim();
    }

    public String getName() {
        return name;
    }

    public void addPlayer(Player player){
        if (!this.players.contains(player)) {
            this.players.add(player);
        }
    }

    public void removePlayer(String playerName){
        //this.players.removeIf(player -> player.getName().equals(playerName));
        int index = -1;
        for (int i = 0; i < this.players.size(); i++) {
            if (this.players.get(i).getName().equals(playerName)){
                index = i;
                break;
            }
        }
        if (index != -1){
            this.players.remove(index);
        } else {
            throw new IllegalArgumentException(String.format("Player %s is not in %s team.", playerName, this.name));
        }
    }

    public double getRating(){
        return this.players.stream()
                .mapToDouble(Player::overallSkillLevel)
                .average()
                .orElse(0.00);
    }
}