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From: Lew <noone@lewscanon.com>
Newsgroups: comp.lang.java.programmer
Subject: Re: Java puzzler
Date: Tue, 10 May 2011 20:16:06 -0400
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On 05/10/2011 07:36 PM, Gábor Bakos wrote:
> Hello,
>
>     Sorry if this is already a known behaviour, but first I found this really strange:
> int x = 0;
> x += 0.5;
> What does the code snippet above do:
>    - compile and run without error result is
>        - 0
>        - 1
>        - depends on the strict or nonstrict computation
>    - compile and ArithmeticException is thrown
>    - does not compile (Type mismatch: cannot convert from double to int)

What happened for you when you tried it?

> For those who want to know the answer check this[1] and this[2].
> ...
> [1]: http://java.sun.com/docs/books/jls/third_edition/html/expressions.html#15.26.2
> [2]: http://java.sun.com/docs/books/jls/third_edition/html/conversions.html#5.1.3

What precisely did you find strange?

<sscce source="com/lewscanon/eegee/Conversioneer.java" >
package com.lewscanon.eegee;
/**
  * Conversioneer.
  */
public class Conversioneer
{
   /**
    * main.
    * @param args String []
    */
   public static void main( String [] args )
   {
     int x = 0;
     x += 0.5;
     System.out.println( "x = "+ x );
   }
}
</sscce>

-- 
Lew
Honi soit qui mal y pense.
http://upload.wikimedia.org/wikipedia/commons/c/cf/Friz.jpg