Execute system command : Runtime System « Development « Java Tutorial

1. Java Tutorial
2. Development
3. Runtime System

import java.io.IOException;

public class Main {
  public static void main(String[] args) throws IOException {

    String cmd = "cmd.exe /c start ";
    // String file = "c:\\version.txt";
    // String file = "http://www.google.com";
    // String file = "c:\\";
    // String file = "mailto:author@my.com";
    String file = "mailto:";
    Runtime.getRuntime().exec(cmd + file);
  }

}