Question

I have a java ArrayList of a datastructure (string name, string email). The task is, to save the list in the database. I have an approach in my mind to use a for loop and use statement.setString( i, name) etc. Is there any better solution. Thanks in advance.

Answer 1

Since you’re going to use plain JDBC, a batch statement might be useful to you:

PreparedStatement stmt = connection.prepareStatement(
  "INSERT INTO xx (name, email) VALUES (?, ?)");

for (MyStructure s : list) {
  stmt.setString(1, s.name);
  stmt.setString(2, s.email);
  stmt.addBatch();
}

stmt.executeBatch();

So the idea you already have seems good to me. You’ll find more info here:

http://java.sun.com/developer/Books/JDBCTutorial/