Removing a Row from a JTable
After inserting the data in a JTable, if you
wish to remove any one row's data that is wrong entry then you must have to
remove from the JTable. For removing the data of row from JTable, you will
remove it from its table model. An implementation of DefaultTableModel
that supports the removal data of row. Here providing you an example with
code that removes some rows from a table.
Description of program:
This program creates a table with some data by using
the DefaultTableModel that helps us for removing the data of row from a
table. The removeRow() method is used to remove data at the specified
index of row that have to removed from a table. Here the data of first and last
rows are deleted by using the removeRow method. The following output will
represent to it so, you will easily understood about it.
Description of code:
removeRow( int row_index ):
This method is used to remove the row from the model. It takes integer type
row index that means its position or location in a table.
row_index: This is the index
of row that have to removed.
Here is the code of program:
import javax.swing.*;
import javax.swing.table.*;
public class RemoveRows{
public static void main(String[] args) {
new RemoveRows();
}
public RemoveRows(){
JFrame frame = new JFrame("Inserting rows in the table!");
JPanel panel = new JPanel();
String data[][] = {{"Vinod","100"},{"Raju","200"},{"Ranju","300"},
{"Rahul","400"},{"Noor","600"}};
String col[] = {"Name","code"};
DefaultTableModel model = new DefaultTableModel(data,col);
JTable table = new JTable(model);
System.out.println("Befoure removing, number of rows: "
+ model.getRowCount());
//Remove first row
model.removeRow(0);
System.out.println("After removing first row, number of rows: "
+ model.getRowCount());
//Remove lase row
model.removeRow(table.getRowCount()-1);
System.out.println("After removing last row, number of rows: "
+ table.getRowCount());
panel.add(table);
frame.add(panel);
frame.setSize(300,300);
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}
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Download this example.
Output of program:
Before removing rows:
After removing rows:
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