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

public class MyParametrClass<T extends EntityBattleship, U extends IDrawningBlocks> {
    private final ArrayList<T> EntityArray;
    private final ArrayList<U> BlocksArray;
    int entitiesCount = 0;
    int blocksCount = 0;
    public MyParametrClass(int entitiesCount, int blocksCount) {
      EntityArray = new ArrayList<T>();
       BlocksArray = new ArrayList<U>();
    }
    public void Insert(T battleship){

            EntityArray.add(battleship);
            entitiesCount++;

    }
    public void Insert(U drawningBlocks){

            BlocksArray.add(drawningBlocks);
            blocksCount++;

    }
    public DrawningBattleship GetDrawningBattleship() {

        Random random = new Random();
        int entityIndex = random.nextInt(EntityArray.size());
        int blockIndex = random.nextInt( BlocksArray.size());


        EntityBattleship battleship = EntityArray.get(entityIndex);
        IDrawningBlocks blocks = BlocksArray.get(blockIndex);

        if (battleship instanceof EntityLinkor) {
            return  new DrawningLinkor(battleship, blocks);
        }
        return new DrawningLinkor(battleship, blocks);
    }
}