java.lang.NullPointerException

Oracle Community | 807551 | 1 decade ago
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    Array of Buttons

    Oracle Community | 1 decade ago | 807551
    java.lang.NullPointerException
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    Exception in thread

    Oracle Community | 2 decades ago | 807555
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at java.util.Hastable.put()
    2. Java RT
      GridBagLayout.setConstraints
      1. java.util.Hastable.put(Hashtable.java:391)
      2. java.awt.GridBagLayout.setConstraints(GridBagLayout.java:403)
      2 frames