public static void makeBackup() throws IOException{
    String caminho = "C:\Program Files\MySQL\MySQL Workbench 6.3 CE\mysqldump.exe";
    ProcessBuilder pb = new ProcessBuilder(caminho, "--user=root",
            "--password=root", "meuBD", "--result-file="
            + "C:\Users\Usuário\Documents\NetBeansProjects\meuPrograma\" + "Backup.txt");
    pb.start();
}