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It gets the first Object in a (zero based) java.util.List.

I think the code supplied might be a bit advanced for FlorianZhu with usage of an array, the Font class and especially using an inner class.

Or, use: <Code Omitted>which is equivalent to: <Code Omitted>This is presuming that exactly one killCounter object is always in the world.

I have fixed the problem, thanks for help. The problem was in the position of this block in act method.

The SmoothMover class or my QActor class (see my Demo Collection) could be used to help in controlling the speed of the actor.

...and what's the problem?

The following would be like the reverse method ("function"): <Code Omitted>Pretty simple -- probably not worth creating a seperate method for.

Nvm... Thank you so much ! I Love you !!!

For intersecting a specific object, use the intersects(Actor) method For intersecting any object of a specific class, use the isTouching(Class) method.

Thank you so much, worked perfectly!

I have Windows 10 Pro, and I found them here: C:\Program Files (x86)\Greenfoot\lib\bluejcore.jar C:\Program Files (x86)\Greenfoot\lib\extensions\greenfoot.jar

You cannot pop the elements from the stack unconditionally if you want the list to retain anything. The command to pop needs to be in an 'if' block or something similar.

Thank you very much, really helpful!!

Well, first you would need some indicator for when this condition should be checked. This could be a time limit or a limit on number of moves. It could be at a certain break point as like the end of a level or something else. Whatever this indicator is, when indicated, check the score and either allow the game to continue or not. To stop the game, usually all it takes is a "Game Over" text message (with possibly showing the score) and stopping the scenario (using "Greenfoot.stop();").