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  • Editing JTables
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  • NullPointerException in GUI
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    • java.lang.NullPointerException at javax.swing.plaf.basic.BasicComboPopup.getPopupHeightForRowCount( at at javax.swing.plaf.basic.BasicComboPopup.togglePopup( at javax.swing.plaf.basic.BasicComboPopup$InvocationMouseHandler.mousePressed( at java.awt.Component.processMouseEvent(

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