C++ frequently questioned answers

[Bruce Adams]

Bruno Medeiros Wrote:

> Bruce Adams wrote:
> > Bruno Medeiros Wrote:
> > 
> >> Bruce Adams wrote:
> >>> [OT]
> >>> Someone at work pointed out this java chestnut recently. If you've used java much you will know it but it may come as a shock to a mainly C++ coder.
> >>>
> >>> class foo {
> >>>     bar x;
> >>>     void foo () {
> >>>         x = new bar();
> >>>     }
> >>> }
> >>>
> >>> foo is NOT a constructor its actually a method named foo. The java compiler or interpreter generates a default constructor that sets all members to null so any use of x in any method of foo will result in a null pointer exception. This apparently compiles with no warnings.
> >>> [/OT]
> >> What's so surprising about that, even for a Java newcomer?
> >>
> >> -- 
> >> Bruno Medeiros - MSc in CS/E student
> >> http://www.prowiki.org/wiki4d/wiki.cgi?BrunoMedeiros#D
> > 
> > Its the fact that a simple typo can cause such mayhem. Remove the void from foo() and it becomes a constructor and everthing works just fine.
> > 
> > 
> 
> No one in the Java world writes classes with lowercase first letter 
> anyways. :P
> 
> -- 
> Bruno Medeiros - MSc in CS/E student
> http://www.prowiki.org/wiki4d/wiki.cgi?BrunoMedeiros#D

Oh no! My example is now completely undermined and devalued!