Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

public class Main {
    public static void main(String[] args) throws Exception {
        JFrame f = new JFrame("Test");
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        JTree tree = new JTree();
        tree.putClientProperty("JTree.lineStyle", "Angled");
        // tree.putClientProperty("JTree.lineStyle", "Horizontal");
        // tree.putClientProperty("JTree.lineStyle", "None");
        for (int i = 0; i < tree.getRowCount(); i++) {
            tree.expandRow(i);
        }
        f.add(tree);
        f.pack();
        f.setLocationRelativeTo(null);
        f.setVisible(true);

    }
}