Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;

import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.ListCellRenderer;

public class Main extends JFrame {

    JComboBox<String> cbo = new JComboBox<>(new String[] { "Hello" });

    public Main() {
        cbo.setRenderer(new CustomComboBox());
        add(cbo, BorderLayout.SOUTH);
        add(new JLabel("Hello"), BorderLayout.CENTER);

        setDefaultCloseOperation(EXIT_ON_CLOSE);
        pack();
        setVisible(true);
    }

    public static void main(String[] args) {
        new Main();
    }

}

class CustomComboBox extends JLabel implements ListCellRenderer {

    @Override
    public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected,
            boolean cellHasFocus) {

        JLabel label = new JLabel() {
            public Dimension getPreferredSize() {
                return new Dimension(200, 100);
            }
        };
        label.setText(String.valueOf(value));

        return label;
    }
}