Where are the examples of form code and submission?

Where are examples of how form code will be and

where are results of my submited data

How can i save those data on a file of table format?

Where are examples of how form code will be?

You can embed the form to your webpage using the normal embed code or the iFrame code. Please check the following guides:

Embed script code: Adding-a-Form-to-a-Web-Page

iFrame code: Getting-the-Form-iFrame-Code

Where are the results of my submitted data?

You can view all form submissions in the Submissions page. Here's a guide: How-to-View-Form-Submissions.

How can I save those data on a file of table format?

You can export the form submissions into an Excel, CSV or PDF file. Here's how: How-to-Download-Form-Submissions-as-Excel-CSV-PDF.

You can integrate it to Google Sheets if you want. Here's how: How-to-Integrate-Forms-with-Google-Sheets.

You may create an HTML Table Report or Grid Report. Kindly refer to these links:

How-to-Create-an-HTML-Table-Listing-Report
How-to-Create-a-Grid-Listing-Report

Hope that helps. Thank you.