MainClass.java Source code

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Here is the source code for MainClass.java

Source

import java.awt.BorderLayout;
import java.util.Hashtable;
import java.util.Properties;

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

public class MainClass {
    public static void main(final String args[]) {
        JFrame frame = new JFrame("DynamicUtilTreeNode Hashtable");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        DefaultMutableTreeNode root = new DefaultMutableTreeNode("Root");

        Hashtable<Object, Object> hashtable = new Hashtable<Object, Object>();
        hashtable.put("A", args);
        hashtable.put("B", new String[] { "a", "b", "c" });
        Hashtable<Object, Object> innerHashtable = new Hashtable<Object, Object>();
        Properties props = System.getProperties();
        innerHashtable.put(props, props);
        hashtable.put("C", innerHashtable);

        JTree.DynamicUtilTreeNode.createChildren(root, hashtable);

        JTree tree = new JTree(root);

        JScrollPane scrollPane = new JScrollPane(tree);
        frame.add(scrollPane, BorderLayout.CENTER);
        frame.setSize(300, 150);
        frame.setVisible(true);
    }
}