import java.io.*; class UseDrinksMachine9 { // DrinksMachineE uses inheritance to add a button for Sprite. public static void main(String[] args) throws NumberFormatException, IOException { DrinksMachineE machine1 = new DrinksMachineE(25); DrinksMachineE machine2 = new DrinksMachineE(80); BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); int amount; String reply; System.out.print("How much do you want to put in a machine? "); amount = Integer.parseInt(in.readLine()); if(machine1.showPrice()