Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.Reader;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;

public class Main {
    public static void main(String[] args) throws Exception {
        Connection conn = getConnection();
        Statement stmt = conn.createStatement();

        stmt.executeUpdate("create table survey (id int, name BINARY);");

        String sql = "INSERT INTO survey (name) VALUES(?)";
        PreparedStatement pstmt = conn.prepareStatement(sql);

        File file = new File("yourFileName.txt");
        long fileLength = file.length();
        Reader fileReader = (Reader) new BufferedReader(new FileReader(file));

        pstmt.setCharacterStream(1, fileReader, (int) fileLength);

        int rowCount = pstmt.executeUpdate();

        ResultSet rs = stmt.executeQuery("SELECT * FROM survey");
        while (rs.next()) {
            System.out.println(rs.getBytes(2));
        }

        rs.close();
        stmt.close();
        conn.close();
    }

    private static Connection getConnection() throws Exception {
        Class.forName("org.hsqldb.jdbcDriver");
        String url = "jdbc:hsqldb:mem:data/tutorial";

        return DriverManager.getConnection(url, "sa", "");
    }
}