java.lang.OutOfMemoryError: Java heap space
   at java.util.Arrays.copyOf(Arrays.java:3332)
   at java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:137)
   at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:121)
   at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:421)
   at java.lang.StringBuilder.append(StringBuilder.java:136)
   at org.netbeans.core.startup.logging.PrintStreamLogger.print(PrintStreamLogger.java:108)
   at org.netbeans.core.startup.logging.PrintStreamLogger.println(PrintStreamLogger.java:115)
   at org.netbeans.core.startup.logging.PrintStreamLogger.println(PrintStreamLogger.java:122)
   at java.lang.Throwable$WrappedPrintStream.println(Throwable.java:748)
   at java.lang.Throwable.printStackTrace(Throwable.java:658)
   at java.lang.Throwable.printStackTrace(Throwable.java:643)
   at java.lang.Throwable.printStackTrace(Throwable.java:634)
   at life.myGrid.paintComponent(myGrid.java:68)
   at javax.swing.JComponent.paint(JComponent.java:1056)
   at javax.swing.JComponent.paintChildren(JComponent.java:889)
   at javax.swing.JComponent.paint(JComponent.java:1065)
   at javax.swing.JViewport.paint(JViewport.java:728)
   at javax.swing.JComponent.paintChildren(JComponent.java:889)
   at javax.swing.JComponent.paint(JComponent.java:1065)
   at javax.swing.JComponent.paintChildren(JComponent.java:889)
   at javax.swing.JComponent.paint(JComponent.java:1065)
   at javax.swing.JComponent.paintChildren(JComponent.java:889)
   at javax.swing.JComponent.paint(JComponent.java:1065)
   at javax.swing.JLayeredPane.paint(JLayeredPane.java:586)
   at javax.swing.JComponent.paintChildren(JComponent.java:889)
   at javax.swing.JComponent.paint(JComponent.java:1065)
   at java.awt.GraphicsCallback$PaintCallback.run(GraphicsCallback.java:39)
   at sun.awt.SunGraphicsCallback.runOneComponent(SunGraphicsCallback.java:79)
   at sun.awt.SunGraphicsCallback.runComponents(SunGraphicsCallback.java:116)
   at java.awt.Container.paint(Container.java:1973)
   at org.netbeans.modules.form.fakepeer.FakePeerContainer.paint(FakePeerContainer.java:89)
   at javax.swing.JComponent.paintChildren(JComponent.java:903)