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Well, I took some time looking through the APIs, and came up empty. That is, until I remembered an in-house project I had done for someone that required some directory searching; so, I located the project and reviewed the source. I almost gave up on that idea when I saw the JFileChooser, FileNameExtensionFilter, and JFrame import statements (nothing refering directly to Files themselves), but decided to look deeper in the code. I found a reference to the File class within the code and reviewed the imports, again. Then, I saw it: import java.io.*;. That had to be it! I went back to

@SPower Actually, and unfortunately, your 'mistake' is worse than benedict3578's. His could only mean what you corrected his to say, as the Actor class is already named 'Actor' and cannot be renamed. Yours, on the other hand, has other possibilities which do not fit the case. Let's not nittpick semantics, at least in those cases where it is obvious what is being said. :)

The course is posted! Sorry for the time it took, I was busy with some other things. Look at this scenario: http://www.greenfoot.org/scenarios/5709

Thanks, I'll look at it.

I've published the game feel to look at it and give any suggestions, it's obviously still a work in progress.http://www.greenfoot.org/scenarios/5708

The problem is that line 32 creates a new variable called neighbors, and does not assign the list to the class field called neighbors. Therefore, line 41 will always return 'false', because the size of the class field is never populated. Easy fix, change line 32 to: <Code Omitted>By not declaring the variable here (no casting of type), the class field will be used. Also, by specifying 'Cell.class' as the class to list, only neighboring cells will be listed. One more thing, I am not sure why you asked if the size was greater than one. I have a

You don't have to help me: I just had to change this: <Code Omitted>to this: <Code Omitted>I usually don't see those things very fast: usually after speaking out load what's written down :), which is what I did this time.

great ... thanks for the syntax tip davmac

thanks guys ur super!

I was not sure how to explain it to you, you being new and all. What you originally said you needed to do would require some knowledge that an person with some experience would acquire. I now believe that you misunderstood what you needed to do for this assignment.

If you want the Enemy to go underneath the water what you could do is put a variable in the world and once the water adds and deletes itself (reseting) it would make the variable change. Then before it tried to reset it would check the varible and if it was off it would not do anything.

@davmac Thanks, I thought it was a \ sign but it is a / sign, I learned something useful (and basic :) ). @erdelf I have multiple background sound files, and I want to sort them.

Yes, it can't work with out JRE but I have picked up the classes which is needed by my jar application and made a mini jre(about 20M),then pack the mini jre with the exe which is packed from my jar and we can run the project just double click the exe now what's more ,I together packed them to a setup.exe(about 8M) I think it's stand alone and much smaller

Thank you all, it will do the trick.