these questions on spring boot backend

Question 1 Create simple Rest API (URI: /hello) which returns Hello Fayoum From Spring Controller Name : HelloController Question 2 Create Get API /listAllProducts which returns the data below in a JSON format. Controller Name : ProductController no: name: Serial: madeIn: fabricationDate: price: 1 "iPhone" "103212131" "USA" "2028-12-31T22:00:00.000-20:00 1500 1: no: name: Serial: madeIn: fabricationDate: price: 2: 2 "Sony" "155313515 "China" "2021-86-88T22:00:00.000-20:00 800 : 3 name: serial: madein fabricationDate: price: "Samsung" "198895234" "North Korea" "2018-02-28T22:00:00.000+08:00 1500 Question 3 Create an executable Jar file and run it separately (out of the IDE) and test Q1 & Q2 APIs from Postman