// Example of preventing SQL injection in Java
String sql = "SELECT * FROM users WHERE username = ? AND password = ?";
try (PreparedStatement pstmt = connection.prepareStatement(sql)) {
pstmt.setString(1, userInputUsername);
pstmt.setString(2, userInputPassword);
ResultSet rs = pstmt.executeQuery();
// Process the results...
} catch (SQLException e) {
e.printStackTrace();
}
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