Executing commands through java

loading data into tables by using ctl file using java code

String filearra[]= {CTL file name};

for (int i = 0; i < filearra.length; i++)

try

{

String command = "sqlldr databasename/password  control = C:\\ctl file path"+filearra[i]+" log=C:\\log file path  direct=false parallel=true skip_index_maintenance=false;";

Process process = Runtime.getRuntime().exec(command);

} catch (IOException e)

{

e.printStackTrace();

}