batch data update

public class BatchData {

 public static void main(String[] args) {
  try {
   testBatchData();
  } catch (SQLException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  } catch (ClassNotFoundException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
 }
 
 private static void testBatchData() throws SQLException, ClassNotFoundException{
  String sql1 = "insert into user (name,address) values ('name111','address111')";
  Connection conn = JdbcMySqlUtil.getInstance().getConnection() ;
  
  PreparedStatement ps = conn.prepareStatement(sql1, Statement.RETURN_GENERATED_KEYS);
  ps.executeUpdate();
  ResultSet rs = ps.getGeneratedKeys();
  int id = 0 ;
  if (rs.next())
   id = rs.getInt(1);
  System.out.print(id);
  
  String sql2 = "insert into user (name,address) values ('name111','address111')";
  PreparedStatement ps2 = conn.prepareStatement(sql2);
  for (int i = 0 ; i < 10 ; i ++)
   ps2.addBatch(sql2);
  ps2.executeBatch();
     JdbcMySqlUtil.free(rs, ps2, ps2.getConnection());
 }
}