please solve this

 import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.sql.*;

public class TestCaseProcessor {

    public static void main(String[] args) {
        // Database connection parameters
        String jdbcUrl = "jdbc:mysql://localhost:3306/your_database";
        String username = "your_username";
        String password = "your_password";

        // Load the JDBC driver
        try {
            Class.forName("com.mysql.cj.jdbc.Driver");
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
            return;
        }

        // Establish a connection to the database
        try (Connection connection = DriverManager.getConnection(jdbcUrl, username, password)) {
            // Create a statement
            try (Statement statement = connection.createStatement()) {
                // Create the test_cases table
                statement.executeUpdate("CREATE TABLE IF NOT EXISTS test_cases (" +
                        "id INT NOT NULL AUTO_INCREMENT," +
                        "a INT NOT NULL," +
                        "b INT NOT NULL," +
                        "answer INT NOT NULL," +
                        "PRIMARY KEY (id)" +
                        ")");

                // Insert data from input.txt into the test_cases table
                statement.executeUpdate("INSERT INTO test_cases (a, b) SELECT a, b FROM input.txt");

                // Update the answer column with the greater of a and b
                statement.executeUpdate("UPDATE test_cases SET answer = GREATEST(a, b)");

                // Retrieve and print the answers
                try (ResultSet resultSet = statement.executeQuery("SELECT answer FROM test_cases")) {
                    while (resultSet.next()) {
                        int answer = resultSet.getInt("answer");
                        System.out.println("Answer: " + answer);
                    }
                }