java.lang.NullPointerException

Coderanch | Craig Wood | 1 decade ago
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    Why dont this work?

    Coderanch | 1 decade ago | Craig Wood
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at JTestRx.actionPerformed()
    2. Unknown
      JTestRx.actionPerformed
      1. JTestRx.actionPerformed(jtestrx.java:32)
      1 frame
    3. Java RT
      AbstractButton.fireActionPerformed
      1. javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
      1 frame