Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.Component;

import javax.swing.JComponent;
import javax.swing.JOptionPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.DefaultTableModel;

public class Main {
    public static void main(String[] args) {
        JTable t = new JTable(new TimesTableModel());
        t.setDefaultRenderer(Object.class, new TimesTableRenderer());
        JOptionPane.showMessageDialog(null, t);
    }
}

class TimesTableRenderer extends DefaultTableCellRenderer {
    @Override
    public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
            int row, int column) {

        Component c = super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
        JComponent jc = (JComponent) c;
        jc.setToolTipText((row + 1) + "x" + (column + 1) + "=" + ((row + 1) * (column + 1)));
        return jc;
    }
}

class TimesTableModel extends DefaultTableModel {
    @Override
    public int getColumnCount() {
        return 7;
    }

    @Override
    public int getRowCount() {
        return 5;
    }

    @Override
    public Object getValueAt(int row, int column) {
        return new Integer((row + 1) * (column + 1));
    }
}