The Java SWT toolkit uses Cocoa native widgets under the hood. So it is a native UI toolkit. That said, like parent said, native doesn't necessarily translate t

The Java SWT toolkit uses Cocoa native widgets under the hood. So it is a native UI toolkit. That said, like parent said, native doesn't necessarily translate to a user experience of being performant. The rest of the application, being in Java, will often means it will have your typical JVM high memory usage and slow startup times.