yolo

import java.io.*;
import java.util.ArrayList;
import java.util.List;


public class BeerRegister {
    static ArrayList<Beer> collect;

    //kell ilyen?
    /**BeerRegister(){
        static ArrayList<Beer> collect = new ArrayList<>();
    }
    */

    protected void add(String[] args)throws IOException{
        if(args[1] == null) throw new IllegalArgumentException("nincs elg parameter");
        if(args[2] == null) throw new IllegalArgumentException("nincs elg parameter");
        if(args[3] == null) throw new IllegalArgumentException("nincs elg parameter");
        double value = Double.parseDouble(args[3]);
        Beer temp = new Beer(args[1], args[2], value);

        collect.add(temp);
    }

    protected void list(String[] args){
        if(args[1]==null){
        for (int i = 0; i < collect.size(); i++){
            System.out.println(collect.get(i));
        }
        }
        else{
            if(args[1].equals("name")){

            }
            if(args[1].equals("style")){

            }
            if(args[1].equals("strength")){

            }
        }

    }

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        //TODO exception elkapás


            BeerRegister valami = new BeerRegister();
            InputStreamReader isr = new InputStreamReader(System.in);
            BufferedReader br = new BufferedReader(isr);

            while(true){
                String line = br.readLine();
                if(line==null) break;
                String[] parts = line.split(" ");


                if(parts[0].equals("add")){
                    valami.add(parts);
                }
            }
    }


}