Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTable;

public class Main extends JFrame implements ActionListener {
    JTable table;
    JButton button;

    public Main() {
        String[] colNames = { "Subject", "Value" };
        String[][] rowDatas = { { "Java", "Jon" }, { "C++", "Hard" }, { "Math", "Mike" }, { "Database", "Sql" } };
        table = new JTable(rowDatas, colNames);

        button = new JButton("Show Last Record");
        button.addActionListener(this);

        this.add(table);
        this.add(button);
        this.setVisible(true);
        this.setSize(300, 200);
        this.setDefaultCloseOperation(3);
        this.setLayout(new FlowLayout());
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        int i = table.getRowCount() - 1;
        int j = table.getColumnCount();
        Object[] value = new Object[j];
        for (int k = 0; k < j; k++) {
            value[k] = table.getValueAt(i, k);
            System.out.println(table.getValueAt(i, k));
        }
    }

    public static void main(String... ag) {
        new Main();
    }
}