MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.awt.BorderLayout;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;

public class MainClass {
    public static void main(String args[]) {
        String rows[][] = { { "A", "a" }, { "B", "b" }, { "E", "e" } };
        String headers[] = { "Upper", "Lower" };

        final int modeKey[] = { JTable.AUTO_RESIZE_ALL_COLUMNS, JTable.AUTO_RESIZE_LAST_COLUMN,
                JTable.AUTO_RESIZE_NEXT_COLUMN, JTable.AUTO_RESIZE_OFF, JTable.AUTO_RESIZE_SUBSEQUENT_COLUMNS };

        final JTable table = new JTable(rows, headers);
        JScrollPane scrollPane = new JScrollPane(table);

        String modes[] = { "Resize All Columns", "Resize Last Column", "Resize Next Column", "Resize Off",
                "Resize Subsequent Columns" };

        final JComboBox resizeModeComboBox = new JComboBox(modes);
        int defaultMode = 4;
        table.setAutoResizeMode(modeKey[defaultMode]);
        resizeModeComboBox.setSelectedIndex(defaultMode);
        ItemListener itemListener = new ItemListener() {
            public void itemStateChanged(ItemEvent e) {
                int index = resizeModeComboBox.getSelectedIndex();
                table.setAutoResizeMode(modeKey[index]);
            }
        };
        resizeModeComboBox.addItemListener(itemListener);

        JFrame frame = new JFrame("Resizing Table");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        frame.add(resizeModeComboBox, BorderLayout.NORTH);
        frame.add(scrollPane, BorderLayout.CENTER);

        frame.setSize(300, 150);
        frame.setVisible(true);
    }
}