Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
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, id2 tinyint, id3 smallint, id4 bigint, id5 real);");

        String sql = "INSERT INTO survey (id2,id3,id4,id5) VALUES(?,?,?,?)";
        PreparedStatement pstmt = conn.prepareStatement(sql);

        byte b = 1;
        short s = 2;
        pstmt.setByte(1, b);
        pstmt.setShort(2, s);
        pstmt.setInt(3, 3);
        pstmt.setLong(4, 4L);
        pstmt.executeUpdate();

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