
/**
* java执行cmd命令,使用某程序打开某路径下的文件
*/
class ExecDemo {
public static void main(String args[]) {
Runtime r = Runtime.getRuntime();
Process p = null;
String cmd[] = { "notepad", "C:/123.txt" };
try {
p = r.exec(cmd);
} catch (Exception e) {
System.out.println("error executing " + cmd[0]);
}
}
}



