java.lang.NullPointerException: This exception has no message.

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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$MyTableModel.getRowCount(OrderForm.java:136)
at javax.swing.table.DefaultTableModel.setDataVector(DefaultTableModel.java:198)
at javax.swing.table.DefaultTableModel.(DefaultTableModel.java:98)
at javax.swing.table.DefaultTableModel.(DefaultTableModel.java:80)
at javax.swing.table.DefaultTableModel.(DefaultTableModel.java:60)
at ordermanagementsystem.OrderForm$MyTableModel.(OrderForm.java:122)
at ordermanagementsystem.OrderForm.(OrderForm.java:61)
at ordermanagementsystem.OrderForm.main(OrderForm.java:114)

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