Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.Component;

import javax.swing.DefaultCellEditor;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableCellRenderer;

public class Main extends JFrame {

    public Main() {
        DefaultTableModel m = new DefaultTableModel(new Object[][] { { "2", 2, 3 }, { "1", 4, 5 } },
                new Object[] { 1, 2, 3 });
        JTable t = new JTable(m);
        t.getColumnModel().getColumn(0)
                .setCellEditor(new DefaultCellEditor(new JComboBox(new String[] { "1", "2" })));
        t.getColumnModel().getColumn(0).setCellRenderer(getCellRenderer());
        t.setRowHeight(25);
        getContentPane().add(new JScrollPane(t));
        pack();
    }

    private TableCellRenderer getCellRenderer() {
        return new TableCellRenderer() {
            JComboBox<String> box = new JComboBox<>(new String[] { "1", "2" });

            @Override
            public Component getTableCellRendererComponent(JTable arg0, Object arg1, boolean arg2, boolean arg3,
                    int arg4, int arg5) {
                box.setSelectedItem(arg1);
                return box;
            }
        };
    }

    public static void main(String[] args) throws InterruptedException {
        Main ex = new Main();
        ex.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        ex.setVisible(true);
    }
}