Static initializer and the Singleton pattern

[Weiqi Gao]

Bryce McKinlay wrote:

> Weiqi Gao wrote:
> 
>> The following bit of code was distilled from a bigger application that
>> exhibited a case of interference between the singleton pattern and
>> static initializers.  Contrary to the naive expectation, under Sun's JDK
>> this program prints 'false'.  And a check against the JVM spec confirms
>> that the behavior is the expected bahavior.
>>
>> class Main {
>>    public static void main(String[] args) {
>>        System.out.println(A.getInstance() == B.a);
>>    }
>> }
>>
> 
> Hmm... the problem is that GCJ is calling the static initializer for B 
> from Main.main() before it calls A.getInstance().


Is gcj correct in doing it?

-- 
Weiqi Gao
weiqigao@networkusa.net