Hackforge Academy

Category: React • Beginner

Published on 04 Mar 2026

Explanation

#white-PreparedStatement is used to execute #white-parameterized queries.

Code Example

PreparedStatement ps = con.prepareStatement(
"INSERT INTO users(name,email) VALUES(?,?)");

Explanation

#white-Set parameters using setter methods.

Code Example

ps.setString(1,"John");
ps.setString(2,"john@mail.com");

Explanation

#white-Execute insert or update queries using #white-executeUpdate().

Code Example

ps.executeUpdate();

Explanation

#white-Execute select queries using executeQuery().

Code Example

ResultSet rs = ps.executeQuery();

Explanation

PreparedStatement helps prevent SQL Injection.

Code Example

PreparedStatement ps = con.prepareStatement(
"SELECT * FROM users WHERE email=?");