For better understanding of this section please check previous article carefully because we'll go ahead with previous references.
Hope you'll be familiar with file structure now we'll dive in update operation. Here all works performed on Read section 2 where data shown in table with Edit button like given below:
Now our first work is that when we click on edit button a modal will be open with their correspondence data relate to their id.
For more >> Struts2 AngularJS CRUD Example - Update Operation: