how to import mysql database using java

[baaby baaby]

hello
please how to import mysql database using java .
I used this code but its not working :
try{

Runtime rt = Runtime.getRuntime();
Process pr = rt.exec("mysql -h localhost -u root telecom < C:\\RR.sql");

}catch (Exception e) {
System.out.println("ERROR :"+e.getMessage());
}

thanks