Java code for opening the default email application
import java.awt.*; import java.io.IOException; import java.net.URI; public class sendmail { public static void main(String[] args) { Desktop d; try { if (Desktop.isDesktopSupported() && (d = Desktop.getDesktop()).isSupported(Desktop.Action.MAIL)) { URI msg = new URI("mailto:user@anything.com?subject=sending%20email"); d.mail(msg); } else { throw new RuntimeException("doesn't support this"); } } catch(Exception e) { } } }