new URL('mailto:your@yourserver.net') : URL « Network « Java Tutorial

1. Java Tutorial
2. Network
3. URL

import java.io.IOException;
import java.io.OutputStream;
import java.net.URL;
import java.net.URLConnection;

public class MainClass {

  public static void main(String[] args) {
    try {
      URL u = new URL("mailto:your@yourserver.net");
      URLConnection uc = u.openConnection();
      uc.setDoOutput(true);
      uc.connect();
      OutputStream out = uc.getOutputStream();
      for (int c = System.in.read(); c != -1; c = System.in.read()) {
        out.write(c);
      }
      out.close();
    } catch (IOException ex) {
      System.err.println(ex);
    }
  }
}