New Features in Swing Lightweight. Not built on native window-system windows Much bigger set of built-in controls. Trees, image buttons tabbed panes, sliders, toolbars, color choosers tables etc Much more customizable(可定制) Can change border, text alignment, or add image to almost any control6 New Features in Swing • Lightweight. Not built on native window-system windows. • Much bigger set of built-in controls. Trees, image buttons, tabbed panes, sliders, toolbars, color choosers, tables, etc. • Much more customizable（可定制）. Can change border, text alignment, or add image to almost any control