Exception in thread "AWT-EventQueue-0" java.util.ConcurrentModificationException

at java.base/java.util.ArrayList.forEach(ArrayList.java:1542)

at Destrystars.paintComponent(Destrystars.java:101)

at java.desktop/javax.swing.JComponent.paint(JComponent.java:1074)

at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:907)

at java.desktop/javax.swing.JComponent.paint(JComponent.java:1083)

at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:907)

at java.desktop/javax.swing.JComponent.paint(JComponent.java:1083)

at java.desktop/javax.swing.JLayeredPane.paint(JLayeredPane.java:590)

at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:907)

at java.desktop/javax.swing.JComponent.paintToOffscreen(JComponent.java:5262)

at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBufferedImpl(RepaintManager.java:1643)

at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1618)

at java.desktop/javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1556)

at java.desktop/javax.swing.RepaintManager.paint(RepaintManager.java:1323)

at java.desktop/javax.swing.JComponent.paint(JComponent.java:1060)

at java.desktop/java.awt.GraphicsCallback$PaintCallback.run(GraphicsCallback.java:39)

at java.desktop/sun.awt.SunGraphicsCallback.runOneComponent(SunGraphicsCallback.java:78)

at java.desktop/sun.awt.SunGraphicsCallback.runComponents(SunGraphicsCallback.java:115)

at java.desktop/java.awt.Container.paint(Container.java:2002)

at java.desktop/java.awt.Window.paint(Window.java:3926)

at java.desktop/javax.swing.RepaintManager$4.run(RepaintManager.java:876)

at java.desktop/javax.swing.RepaintManager$4.run(RepaintManager.java:848)

at java.base/java.security.AccessController.doPrivileged(AccessController.java:389)

at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)

at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:848)

at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:823)

at java.desktop/javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:772)

at java.desktop/javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1884)

at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313)

at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770)

at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)

at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)

at java.base/java.security.AccessController.doPrivileged(AccessController.java:389)

at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)

at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:740)

at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)

at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)

at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)

at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)

at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)

at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)