java.lang.NullPointerException

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  • Getting int value from a string
    via by 807593,
    • java.lang.NullPointerException at stockanalysis.GUI.actionPerformed(GUI.java:84) at javax.swing.JComboBox.fireActionEvent(JComboBox.java:870) at javax.swing.JComboBox.selectedItemChanged(JComboBox.java:894) at javax.swing.JComboBox.contentsChanged(JComboBox.java:946) at javax.swing.AbstractListModel.fireContentsChanged(AbstractListModel.java:79) at javax.swing.DefaultComboBoxModel.setSelectedItem(DefaultComboBoxModel.java:86) at javax.swing.JComboBox.setSelectedItem(JComboBox.java:415) at javax.swing.JComboBox.setSelectedIndex(JComboBox.java:455)
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