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via Oracle Community by 807577, 1 year ago
This exception has no message.
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This exception has no message.
via GitHub by bhartman2
, 2 years ago
This exception has no message.
via Google Groups by Jan Bösenberg, 4 months ago
via Google Groups by Norbert, 5 months ago
java.lang.NullPointerException: 	at javax.swing.ImageIcon.(ImageIcon.java:138)	at mjava.TestTree3.(TestTree3.java:39)	at mjava.TestTree3.main(TestTree3.java:82)