java.lang.NullPointerException

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Solutions on the web123904

  • via Terracotta by unnutz, 11 months ago
    This exception has no message.
  • This exception has no message.
  • This exception has no message.
  • Stack trace

    • java.lang.NullPointerException at javax.swing.DefaultBoundedRangeModel.addChangeListener(Unknown Source) at javax.swing.JSlider.setModel(Unknown Source) at javax.swing.JSlider.<init>(Unknown Source) at demo.Slider.<init>(Slider.java:18) at demo.Slider.main(Slider.java:11)

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