Adding Line Items Using Interface Method

The source code for this could be downloaded from github: https://github.com/tahirjadoon/2020-Filling-Line-Items-for-the-Header-Class-Using-Interface

In this example

• We have a List of Header
• Building the header dynamically
• Each header will have multiple items
• Using the last header and adding the line items to it

Here is the class diagram

The code

Result