Main.java Source code

Introduction

Here is the source code for Main.java

Source

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTree;

public class Main {

    public static void main(String[] args) {
        JFrame f = new JFrame();
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        JTree tree = new JTree();
        for (int i = 0; i < tree.getRowCount(); i++) {
            tree.expandRow(i);
        }
        f.add(new JScrollPane(tree));
        f.pack();
        f.setSize(200, 200);
        f.setVisible(true);
    }
}