String connectionURL = "jdbc:mysql://localhost:3306/test"; // Change the connection string according to your db, ip, username and password Connection con = null; try { // Load the Driver class. Class.forName("com.mysql.jdbc.Driver"); // If you are using any other database then load the right driver here. // Create the connection using the static getConnection method con = DriverManager.getConnection(connectionURL, "aaa", "aaaa"); // Create a Statement class to execute the SQL statement Statement stmt = con.createStatement(); Random random = new Random(); int status = random.nextInt(2); System.out.println(status); String sql = "update test set status = " + status + " where id = 1"; stmt.executeUpdate(sql); } catch (SQLException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } finally { if(con != null) { try { con.close(); } catch (SQLException e) { e.printStackTrace(); } } }