Thread: jTable to Array

I have five columns in my jTable and I want to retreive the data from the second column to an array

my jTable can be like this:


Column1 Column2 Column3
50.45 45.56 34.56
67.78 23.34 56.67
45.34 12.34 23.34
34.67 10.10 34.56

The problem is how to retreive all of value in the second column (column2) so the output
may be like:

double[] data = {
45.56,
23.34,
12.34,
10.10
}

Can anyone please give me a sample code, class or function to solve this problem. Thank you very much....

You can read value of each cells you want, by this Jtable method getValueAt(int rowIndex, int columnIndex), then add values to the output array.

Thank you ...finally i get the solution
Here it is:

public Object extractTable(JTable table, int row_index, int col_index){
return table.getModel().getValueAt(row_index, col_index);
}


double[] data = new double[22];

for(int i=1;i<22;i++)
{
data[i]=Double.parseDouble(extractTable(jTable1, i, 2).toString());
}

Originally Posted by nandosby

Can anyone please give me a sample code, class or function to solve this problem. Thank you very much....

Use a for loop to run from first row to last row, then invoke jtable.getValueAt(row, column) to retrieve the value of each row at the specified column. Add all the values to an array.