What differencesTypesafe Enum Facility in j2se1.5 beta from early access?

why complie error?
mport java.util.*;
public class CoinTest {
public static void main(String[] args) {
for (Iterator<Coin> i = Coin.VALUES.iterator(); i.hasNext(); ) {
Coin c = i.next();
System.out.println(c + ": \t"+ c.value() +"c \t" + color(c));
private enum CoinColor { copper, nickel, silver }
private static CoinColor color(Coin c) {
if (c == null)
throw new NullPointerException();
switch(c) {
case Coin.penny:
return CoinColor.copper;
case Coin.nickel:
return CoinColor.nickel;
case Coin.dime:
return CoinColor.silver;
case Coin.quarter:
return CoinColor.silver;
throw new AssertionError("Unknown coin: " + c);
this codes in jsr201.please help me!thinks!

why complie error?what complie error?

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What differencesTypesafe Enum Facility in j2se1.5 beta from early access?

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