ava.lang.NullPointerException

Oracle Community | 807595 | 1 decade ago
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    Why nullpointer exception

    Oracle Community | 1 decade ago | 807595
    ava.lang.NullPointerException

    Root Cause Analysis

    1. ava.lang.NullPointerException

      No message provided

      at Petrakis$1.actionPerformed()
    2. Unknown
      Petrakis$1.actionPerformed
      1. Petrakis$1.actionPerformed(Petrakis.java:46)
      1 frame
    3. Java RT
      AbstractButton$ForwardActionEvents.actionPerformed
      1. javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1764)
      2. javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1817)
      2 frames