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Java Exception for my code in Greenfoot

By Freddy05, with 9 replies.
Last reply by RcCookie, over 3 years ago:

I don’t know - java has ways to invoke JavaScript commands. But as far as I know that also doesn’t work online. But if someone can get that to work that would open a whole new set of options.

How to prevent objects from pushing each other?

By BaseEvoli, with 1 reply.
Replied to by danpost, over 3 years ago:

BaseEvoli wrote...

Here is the project,

Upload project here providing source codes.

More Colored Code Quiestions

By Gabe1098, with 4 replies.
Last reply by danpost, over 3 years ago:

Gabe1098 wrote...

what about "short, long, byte, float, char"

They are all different primary types. See this page of the java tutorials.

How to properly animate my character?

By BaseEvoli, with 7 replies.
Last reply by danpost, over 3 years ago:

You may want to check out my Animation support class (either for reference or for usage). You can find it here.

giving X, Y, and Rotation & calling a method from an actor to myWorld

By Gabe1098, with 10 replies.
Last reply by Gabe1098, over 3 years ago:

danpost wrote...

Gabe1098 wrote...

I have a new error... it says "method createBullet in class MyWorld cannot be applied to given types: required no arguments: found: int, int, int reason: actual and formal arguments lists differ in length"

Add parameters to the method (line 24) to suit your arguments (those values you are trying to pass to the method).

Ooohhh lol I feel so dumb xD Thanks!

Based on Blue j and greenfoot

By Roshan123, with 3 replies.
Last reply by RcCookie, over 3 years ago:

No, you can’t do that. The only thing you could do is also share the Greenfoot installation

How can I spawn a Object on another Object

By Prummi, with 1 reply.
Replied to by danpost, over 3 years ago:

Prummi wrote...

How can I spawn ... Object at the same position where my actor is?

where is the boolean?

By divinity, with 4 replies.
Last reply by danpost, over 3 years ago:

divinityI wrote...

: am still getting this error here with this line of code: totalpay = ((hoursWorked >= 40) && (hoursWorked <= 1.5)); do I remove or how to fix it

danpost wrote...

Remove lines 8 and 17. Then change line 51 to: <Code Omitted> Line 59 needs parentheses around "getHours() - 40".

Adding text and image and then make it disappear.

By BoondockSaint, with 14 replies.
Last reply by Gabe1098, over 3 years ago:

BoondockSaint wrote...

Gabe1098 wrote...

you can make a text like this<Code Omitted>

Also thank you. I will try that as well if i still have problems with what I'm doing horribly right know.

oops I'm sorry I should have put setImage instead of showImage

I need help making a grabbing mechanic

By eboy600, with 21 replies.
Last reply by nccb, over 3 years ago:

The problematic user's account has been disabled and their comments removed.

Making a button visible on my main screen when run is started

By xixEmilyxix, with 2 replies.
Last reply by xixEmilyxix, over 3 years ago:

I managed to figure it out today, thanks though. Turns out I did not add the add object part into the world code

How to reduce image Size?

By Me.SatishReddy, with 4 replies.
Last reply by Gabe1098, over 3 years ago:

Me.SatishReddy wrote...

Hello, Is anyone there to help me? I am looking to Reduce the Size of my Image in Actor method...Could someone help me with this problem!!

List sometimes returns NullPointerException

By RoverKnight, with 9 replies.
Last reply by RoverKnight, over 3 years ago:

Ah I see, thanks for the explanation =)

how to upload my scenarios?

By leslie1999, with 4 replies.
Last reply by leslie1999, over 3 years ago:

thank you very much!!!

how can I get my gui to popup with all of the jbutton, labesl and textarea etch to show

By divinity, with no replies.

I have created an application for a subway program. I want it to popup to preview how the jlables, jbutton, textarea, jlist and all of the component on it, the codes that I have used it work but the problems are that none of the jbuttons, jlist, textareas, jlables, jcombobox is not showing. for some reason, the gui popping up blank with nothing showing, can somebody take a look at my codes and tell me why it is not showing anything and what i have to do to get it to show. here is the codes. <Code Omitted>

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