[Bluej-discuss] import java.util.*; - problem
Cecilia Vargas
C.A.Vargas at kent.ac.uk
Sun Dec 2 09:13:02 GMT 2007
Jakub,
To find out which Java version BlueJ is running do: Help menu >> About
BlueJ.
Or look in the bluej-debuglog file in the bluej folder in your home
directory.
Cecilia
Bryan J. Higgs wrote:
> Jakub --
>
> It's possible to have more than one Java Development Kit installed on a
> system at the same time.
> (Note you need the JDK, not just the JRE, the Java Runtime Environment.)
>
> You have to tell BlueJ which JDK to use. In the folder where the BlueJ
> executable is installed, you should also see an executable called
> "Select VM". If you run that, it will list the versions of JDK it has
> found, and will allow you to choose one of them. Be sure that you
> choose one that is at least at v1.5 . Probably you should choose the
> highest version number on your machine.
>
> I see this on my Windows system. I think it should also be the case for
> other systems, but I'm not sure, not having any other systems to work on.
>
> I hope this solves your problem!
>
> Regards
>
> Bryan
>
> Jakub Horbacewicz wrote:
>
>> Hello,
>>
>>
>> My guess is that you have Java 1.4 (or earlier) installed. It won't
>> work with that version. You should download and install a newer Java
>> version.
>>
>>
>> Unfortunately I use 1.6.0... (Java Version 6 Update 3) so I cannot
>> find out what the problem is...
>>
>>
>> On 1 Dec 2007, at 18:12, Jakub Horbacewicz wrote:
>>
>> > Hi,
>> >
>> > I read Object First in Java and I do the excercise no 1-19 (lab-
>> > classes). Unfortunately while compiling the LabClass class, BlueJ
>> > show me that "<identifier> expected" in line:
>> >
>> > private List<Student> students;
>> >
>> > Is it connected with import java.util.*; (it's look like BlueJ do
>> > not understand this statement...)
>> >
>> > Help me
>> > _______________________________________________
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