How to get the value of last row in jtable

Question

I have a table that contains some data. I know that I can access of my first row like this,

  Object nameOfFile = Main_Menu.jTable3.getValueAt(0, 0);
  String nameOfFileToString = nameOfFile.toString();

My table is dynamic. Sometimes my row of the table is 100, sometimes is 200. How can I get the last row of my table even my table is dynamically change.

PS : my table is connected with a jfreechart, so I need this for my update Y axis in jfreechart like this

Object nameOfFile = Main_Menu.jTable3.getValueAt(0, 0);
    String nameOfFileToString = nameOfFile.toString();



    // create the chart...
    final JFreeChart chart = ChartFactory.createLineChart(
            "Persentastion Of Similarity", // chart title
            "", // domain axis label
            nameOfFileToString, // range axis label
            dataset, // data
            PlotOrientation.VERTICAL, // orientation
            true, // include legend
            true, // tooltips
            false // urls
    );

for the help, thanks

Answer 1

You can use JTable.getModel().getRowCount() to get the number of rows; the rest is straightforward:

Object nameOfFile = Main_Menu.jTable3.getValueAt(jTable3.getModel().getRowCount()-1, 0);
// go on with your code

Answer 2

Thank you so much for all of you. This code is rock

Object nameOfFile = Main_Menu.jTable3.getValueAt(jTable3.getModel().getRowCount()-1, 0);

Now, my application is looking fine. I haven't try getrowSorter but soon I will try. Once again, thanks...