Fancytree is a JavaScript dynamic tree view plugin for jQuery UI with support for persistence, keyboard, checkboxes, tables, drag'n'drop, and lazy loading. jQuery Fancy Tree is the designated successor of DynaTree plugin...

"==" tests for reference equality (whether they are the same object). ".equals()" tests for value equality (whether they are logically "equal"). Objects.equals() checks for nulls before calling .equals() so you don't have to check nul...

Image credits: struts.apache.org  Apache Struts framework is a free, open-source, MVC framework for creating elegant, modern Java web applications. It favors convention over configuration, is extensible using a plugin architecture, and ships with plugins to support REST, AJAX and JSON....