/**
* @param coin
* @return
* @throws VendingMachineException
* <p>Return true if the coin param is accepted after validated with some rules
*/
public boolean validateChange(Coin coin) {
if (!coin.getClass().getName().equals(Coin10JPY.class.getName())) {
List<Coin> coins = this.getCoinGroup().get(Coin10JPY.class.getName());
if (coins.size() < 1) {
System.out.println(
"Machine cannot accept "
+ coin.getValue()
+ "JPY because we don't have channge for it. Please use 10JPY coin money");
this.getVendingMachine().operate();
}
}
return false;
}