Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.File;

import javax.swing.JFrame;
import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;

public class Main extends JFrame {

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

    private JTree tree;

    public Main() {
        this.tree = new JTree();
        this.add(this.tree);

        File fileRoot = new File("C:/");

        DefaultMutableTreeNode root = new DefaultMutableTreeNode(fileRoot);
        DefaultTreeModel model = new DefaultTreeModel(root);

        File[] subItems = fileRoot.listFiles();
        for (File file : subItems) {
            root.add(new DefaultMutableTreeNode(file));
        }

        this.tree.setModel(model);

        this.pack();
    }
}