public class CekStok
{
    private int count[]={0, 9, 9, 9, 9, 9, 9, 9}; 
 
    public void keluarkanMinuman(int pilihan)
    {
        count[pilihan] -= 1; 
    } 
 
    public boolean stokCukup(int pilihan)
    {
        if ( count[pilihan] > 0 )
            return true;
        else
            return false; 
    } 
}