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via Coderanch by Donna Harrington, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at addTitle.actionPerformed(addTitle.java:218)	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1764)	at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1817)