# Friday, 21 June 2002
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Old News

Last week as was thinking about local variable handling, I found a bug in Sun's 1.4 JVM. Visit this url to crash your browser (if you use the Sun JVM, it doesn't work on the MS VM).

The pseudo source for the applet is:

public class test extends Applet
{
    synchronized void foo()
    {
        this = null;
    }

    public void init()
    {
        for(;;)  foo();
    }
}

The CLR (and Rotor too) throws an ArgumentNullException for similar code, which isn't ideal either, but at least it isn't crashing.
Friday, 21 June 2002 18:21:30 (W. Europe Daylight Time, UTC+02:00)  #    Comments [0]
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I apologize for the lameness of this, but the comment spam was driving me nuts. In order to be able to post a comment, you need to answer a simple question. Hopefully this question is easy enough not to annoy serious commenters, but hard enough to keep the spammers away.

Anti-Spam Question: What method on java.lang.System returns an object's original hashcode (i.e. the one that would be returned by java.lang.Object.hashCode() if it wasn't overridden)? (case is significant)

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