Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.BorderLayout;
import java.util.Enumeration;

import javax.swing.DefaultListModel;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JScrollPane;

public class Main {

    public static void main(final String args[]) {
        String labels[] = { "A", "B", "C", "D", "E" };
        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        DefaultListModel model = new DefaultListModel();
        model.ensureCapacity(1000);
        for (int i = 0; i < 100; i++) {
            for (int j = 0; j < 5; j++) {
                model.addElement(labels[j]);
            }
        }
        model.ensureCapacity(100);

        JList jlist2 = new JList(model);
        jlist2.setVisibleRowCount(4);
        jlist2.setFixedCellHeight(12);
        jlist2.setFixedCellWidth(200);
        JScrollPane scrollPane2 = new JScrollPane(jlist2);
        frame.add(scrollPane2, BorderLayout.CENTER);

        frame.setSize(300, 350);
        frame.setVisible(true);
    }
}