When i am compiling the source code, this error is showing...
java.lang.OutOfMemoryError: Java heap space
at java.awt.image.DataBufferInt.<init>(DataBufferInt.java:75)
at java.awt.image.Raster.createPackedRaster(Raster.java:470)
at java.awt.image.DirectColorModel.createCompatibleWritableRaster(DirectColorModel.java:1032)
at java.awt.GraphicsConfiguration.createCompatibleImage(GraphicsConfiguration.java:186)
at greenfoot.util.GraphicsUtilities.createCompatibleTranslucentImage(GraphicsUtilities.java:179)
at greenfoot.GreenfootImage.<init>(GreenfootImage.java:154)
at greenfoot.World.setBackground(World.java:263)
at greenfoot.World.<init>(World.java:178)
at greenfoot.World.<init>(World.java:158)
at Back.<init>(Back.java:19)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at greenfoot.core.Simulation.newInstance(Simulation.java:612)
at greenfoot.platforms.ide.WorldHandlerDelegateIDE$3.run(WorldHandlerDelegateIDE.java:409)
at greenfoot.core.Simulation.runQueuedTasks(Simulation.java:470)
at greenfoot.core.Simulation.maybePause(Simulation.java:283)
at greenfoot.core.Simulation.runContent(Simulation.java:214)
at greenfoot.core.Simulation.run(Simulation.java:207)
java.lang.OutOfMemoryError: Java heap space
at java.awt.image.DataBufferInt.<init>(DataBufferInt.java:75)
at java.awt.image.Raster.createPackedRaster(Raster.java:470)
at java.awt.image.DirectColorModel.createCompatibleWritableRaster(DirectColorModel.java:1032)
at java.awt.GraphicsConfiguration.createCompatibleImage(GraphicsConfiguration.java:186)
at greenfoot.util.GraphicsUtilities.createCompatibleTranslucentImage(GraphicsUtilities.java:179)
at greenfoot.GreenfootImage.<init>(GreenfootImage.java:154)
at greenfoot.World.setBackground(World.java:263)
at greenfoot.World.<init>(World.java:178)
at greenfoot.World.<init>(World.java:158)
at Back.<init>(Back.java:19)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at greenfoot.core.Simulation.newInstance(Simulation.java:612)
at greenfoot.platforms.ide.WorldHandlerDelegateIDE$3.run(WorldHandlerDelegateIDE.java:409)
at greenfoot.core.Simulation.runQueuedTasks(Simulation.java:470)
at greenfoot.core.Simulation.maybePause(Simulation.java:283)
at greenfoot.core.Simulation.runContent(Simulation.java:214)
at greenfoot.core.Simulation.run(Simulation.java:207)
java.lang.OutOfMemoryError: Java heap space
at java.awt.image.DataBufferInt.<init>(DataBufferInt.java:75)
at java.awt.image.Raster.createPackedRaster(Raster.java:470)
at java.awt.image.DirectColorModel.createCompatibleWritableRaster(DirectColorModel.java:1032)
at java.awt.GraphicsConfiguration.createCompatibleImage(GraphicsConfiguration.java:186)
at greenfoot.util.GraphicsUtilities.createCompatibleTranslucentImage(GraphicsUtilities.java:179)
at greenfoot.GreenfootImage.<init>(GreenfootImage.java:154)
at greenfoot.World.setBackground(World.java:263)
at greenfoot.World.<init>(World.java:178)
at greenfoot.World.<init>(World.java:158)
at Back.<init>(Back.java:19)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at greenfoot.core.Simulation.newInstance(Simulation.java:612)
at greenfoot.platforms.ide.WorldHandlerDelegateIDE$3.run(WorldHandlerDelegateIDE.java:409)
at greenfoot.core.Simulation.runQueuedTasks(Simulation.java:470)
at greenfoot.core.Simulation.maybePause(Simulation.java:283)
at greenfoot.core.Simulation.runContent(Simulation.java:214)
at greenfoot.core.Simulation.run(Simulation.java:207)
java.lang.OutOfMemoryError: Java heap space
at java.awt.image.DataBufferInt.<init>(DataBufferInt.java:75)
at java.awt.image.Raster.createPackedRaster(Raster.java:470)
at java.awt.image.DirectColorModel.createCompatibleWritableRaster(DirectColorModel.java:1032)
at java.awt.GraphicsConfiguration.createCompatibleImage(GraphicsConfiguration.java:186)
at greenfoot.util.GraphicsUtilities.createCompatibleTranslucentImage(GraphicsUtilities.java:179)
at greenfoot.GreenfootImage.<init>(GreenfootImage.java:154)
at greenfoot.World.setBackground(World.java:263)
at greenfoot.World.<init>(World.java:178)
at greenfoot.World.<init>(World.java:158)
at Back.<init>(Back.java:19)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at greenfoot.core.Simulation.newInstance(Simulation.java:612)
at greenfoot.platforms.ide.WorldHandlerDelegateIDE$3.run(WorldHandlerDelegateIDE.java:409)
at greenfoot.core.Simulation.runQueuedTasks(Simulation.java:470)
at greenfoot.core.Simulation.maybePause(Simulation.java:283)
at greenfoot.core.Simulation.runContent(Simulation.java:214)
at greenfoot.core.Simulation.run(Simulation.java:207)
java.lang.OutOfMemoryError: Java heap space
java.lang.OutOfMemoryError: Java heap space
java.lang.OutOfMemoryError: Java heap space
Plzzz help!!