Open your terminal then type this :

mvn clean spring-boot:run

Open your browser :

1. Save Data

   http://localhost:8080/save

2. Find All

   http://localhost:8080/findAll [{"firstName": "Hendi", "lastName": "Santika", "id": 1 },{"firstName": "Uzumaki", "lastName": "Naruto", "id": 2 },{"firstName": "Uchiha", "lastName": "Sasuke", "id": 3 },{"firstName": "Haruno", "lastName": "Sakura", "id": 4 },{"firstName": "Hatake", "lastName": "Kakashi", "id": 5 } ] 

3. Find By Id

   http://localhost:8080/findById/1

4. Find By Lastname

   http://localhost:8080/findByLastname/Kakashi