java执行exe

public class transferExe {
    /**
     * @param args
     */
    public static void main(String[] args) {
       openWinExe();
       openMyExe();
    }

    // 用Java调用windows系统的exe文件，比如notepad，calc之类
    public static void openWinExe() {
       Runtime rn = Runtime.getRuntime();
       Process p = null;
       try {
           String command = "notepad";
           p = rn.exec(command);
       } catch (Exception e) {
           System.out.println("Error win exec ");
       }
    }

    // 2.0调用其他的可执行文件，例如：自己制作的exe，或是下载安装的软件
    public static void openMyExe() {
       Runtime rn = Runtime.getRuntime();
       Process p = null;
       try {
           p = rn.exec("\"E:/QQ2008Spring.exe\"");
       } catch (Exception e) {
           System.out.println("Error my exec ");
       }
    }
}