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Kind of random question, this isn't really the place to ask... At least put it in the "other" category. Anyway you can find lots about it by just doing a quick google search.

For information on variable arrays goto Arrays in Java (http://java.sun.com/docs/books/jls/third_edition/html/arrays.html#17235)

It probably would have worked with <Code Omitted>

The java tutorials are excellent.

First, in your Key class add the two variables

It could be that you are accessing a file by a name with the wrong case. For instance, using "ABC.PNG" to access a file called "abc.png" might work within the IDE, but it won't work once you export to a jar file. (If you upload the scenario, we can probably tell you exactly why it's not working).

well, overall the game looks awesome! And pretty much what you are doing is detecting below you, and then both sides, and possibly the top. That just means you change where it is getting it at offset. collided = getOneObjectAtOffset(getX(),getY()+NUMBER) is below, etc. And problems with falling through objects is normally caused by going too fast. If your margin, as in the number you adding to getIntersecting, is smaller than your speed, you are not going to detect fast enough, and get stuck.

thanks, i think that will work.

Another way to handle this is simply <Code Omitted>This will always return the remainder portion of the division. As short as this is, dropping the method and using (i % i2) in the calling method might be preferable.

Briefly, you first want to import the List interface (at the top of your class): <Code Omitted> Then you do something like: <Code Omitted> Hopefully that's enough to get you started!

Well, I have finally figured out a way. Problem is I'm not sure how to delete this post so for now it will remain haha.

Thank you! Now I undersdand! Another question about mouse event, how can I find out if the mouse is hold on sth. I tried to figgure it out by getX() and getY(),is there some good iead?Thanks