Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.ArrayList;
import java.util.Vector;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;

public class Main {
    public static void main(String[] argv) throws Exception {
        DefaultTableModel model = new DefaultTableModel();
        JTable table = new JTable(model);
        model.addColumn("Col1");
        model.addRow(new Object[] { "r1" });
        model.addRow(new Object[] { "r2" });
        model.addRow(new Object[] { "r3" });

        Vector data = model.getDataVector();
        Vector row = (Vector) data.elementAt(1);
        // Overwrite the first row with the copy
        Vector firstRow = (Vector) data.elementAt(0);
        for (int i = 0; i < row.size(); i++) {
            firstRow.set(i, row.get(i));
        }

        JFrame f = new JFrame();
        f.setSize(300, 300);
        f.add(new JScrollPane(table));
        f.setVisible(true);
    }
}