How can I create a “modern looking” Java desktop application?

Question

Similar questions to this are asked periodically, but many of these answers are outdated.

I need to build a cross-platform desktop application in Java with a GUI of comp

Answer 1

Have you looked into JavaFX 2.0? It is designed to interop easily with Swing, and has many modern 'good looking' controls.

Also, as lrAndroid mentions, a Swing app can look like a native app if you set the system look and feel with:

UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());