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via Coderanch by Talhah Mafawalla, 1 year ago
via Coderanch by Talhah Mafawalla, 1 year ago
This exception has no message.
java.lang.NullPointerException at ordermanagementsystem.OrderForm$MyTableModel.getRowCount(OrderForm.java:136) at javax.swing.table.DefaultTableModel.setDataVector(DefaultTableModel.java:198) at javax.swing.table.DefaultTableModel.<init>(DefaultTableModel.java:98) at javax.swing.table.DefaultTableModel.<init>(DefaultTableModel.java:80) at javax.swing.table.DefaultTableModel.<init>(DefaultTableModel.java:60) at ordermanagementsystem.OrderForm$MyTableModel.<init>(OrderForm.java:122) at ordermanagementsystem.OrderForm.<init>(OrderForm.java:61) at ordermanagementsystem.OrderForm.main(OrderForm.java:114)