What does the name PreparedStatement mean in the context of its use in Java?

The name 'PreparedStatement' in Java reflects its main function — a prepared (pre-compiled) SQL statement.

PreparedStatement allows:

• Compiling the SQL query once and executing it multiple times with different parameters.
• Improving performance by reusing the execution plan.
• Protecting against SQL injection, as parameters are passed separately and properly escaped.

Example of usage:

String sql = "SELECT * FROM users WHERE id = ?";
PreparedStatement ps = connection.prepareStatement(sql);
ps.setInt(1, 10);
ResultSet rs = ps.executeQuery();

Here, the query is compiled once, and the parameter id is substituted each time.