The following code executes the Windows text editor notepad.
Notice that it specifies the name of the file to edit as an argument.
public class Main { public static void main(String args[]) { try {//from ww w . j av a 2 s.c o m ProcessBuilder proc = new ProcessBuilder("notepad.exe", "testfile"); proc.start(); } catch (Exception e) { System.out.println("Error executing notepad."); } } }