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not errored result [message #664163]

Thu, 07 April 2011 16:59

synhedionn Mising name

Messages: 15
Registered: March 2010

Junior Member

Hi,

I don't understand why

plat.plateau2ArList(aray);

where ,plateau2ArList returns an ArrayList, why it gives no error,despite of a variable to collect the result, (like 3; gives an error)?

Can I tweak Eclipse for this, how?

[Updated on: Thu, 07 April 2011 17:11]

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Re: not errored result [message #664370 is a reply to message #664163]

Fri, 08 April 2011 14:57

Eric Rizzo

Messages: 3070
Registered: July 2009

Senior Member

On 4/7/11 12:59 PM, synhedionn wrote:
> Hi,
>
> I don't understand why
>
> plat.plateau2ArList(aray);
>
> where ,plateau2ArList eturns an ArrayList, why it gives no error,despite
> of a variable to collect the result, (like 3; gives an error)?
>
> Can I tweak Eclipse for this, how?

Because it's not an error to call a method and ignore the return value.
On the other hand, a line like
3;
is an invalid expression according to the Java language specification;
it can't be compiled at all.

Eric

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