Demo you can see by this url - https://mr-soft.herokuapp.com/

git clone https://github.com/pkukharenka/mrSoft.git
cd mr-test
./mvnw spring-boot:run

After launching the application, it will be available at - http://localhost:8080/

The application allows to change the language.

The window for adding (editing) product categories allows you to add, edit and delete product categories

The window for adding (editing) the products provides the validation of the input data on the client side

The application allows you to download product data into a .csv file

Also, the application allows you to upload product data into a database from the .csv file format.

The second task includes a field for entering user data, two buttons (by LENGTH and by SUBSTRING), when you click on which you select the values ​​in according to the entered data, and also buttons for switching on / off the sensitivity of the register when sampling the values by SUBSTRING. The peculiarity of the second task is the use of a proxy to make requests on the required URL, since the server to which the application accesses to retrieve data does not support cross-domain requests.

By default, the test application uses the in-memory database H2, which filled when starting from the file ./resources/data.sql.