Time for action – creating a Tree component

Let us see how we can use a Tree component to display PostTitle in a tree structure.

1. Initialize the root TreeNode component and add child nodes.

   public class TreeController
   {
     private TreeNode root;
   
     public TreeController() 
     {
       root = new DefaultTreeNode("Root", null);
           
       TreeNode node2013 = new DefaultTreeNode("2013", root);
       TreeNode node2012 = new DefaultTreeNode("2012", root);
       TreeNode node2011 = new DefaultTreeNode("2011", root);
       
       TreeNode jan2013 = new DefaultTreeNode("Jan", node2013);
       TreeNode feb2013 = new DefaultTreeNode("Feb", node2013);
       
       TreeNode aug2012 = new DefaultTreeNode("Aug", node2012);
       TreeNode sep2012 = new DefaultTreeNode("Sep", node2012);
       
       TreeNode nov2011 = new DefaultTreeNode("Nov", node2011);		
       
       TreeNode jan2013Post1 = new DefaultTreeNode("PrimeFaces Elite...