< Stacks & Concept Used >

• Apache-Netbeans
  
• Postman API
  
• Spring-Boot Framework
  
• Java List Interface (implemented by ArrayList Class)
  
• Java Map Interface (implemented by HashMap Class)

Code Description is as below...

< GET Method >

• Description: Get all Countries List
• Request URL: http://localhost:8080/getcountries
• Request Body: N/A
• Response from Tomcat Server:
  [{
  "id": 1,
  "countryName": "Korea",
  "countryCapital": "Seoul"
  },
  {
  "id": 2,
  "countryName": "Ireland",
  "countryCapital": "Dublin"
  },
  {
  "id": 3,
  "countryName": "Egpyt",
  "countryCapital": "Cairo"
  }]

< POST Method >

• Description: Add new Country Info with new index automatically added
• Request URL: http://localhost:8080/addcountry
• Request Body: {
  "countryName": "Japan",
  "countryCapital": "Tokyo"
  }
  
• Response from Tomcat Server:
  {
  "id": 4,
  "countryName": "Japan",
  "countryCapital": "Tokyo"
  }
  

< PUT Method >

• Description: Update Country Info at specific Index
• Request URL: http://localhost:8080/updatecountry
• Request Body: {
  "id": 4,
  "countryName": "India",
  "countryCapital": "Delhi"
  }
  
• Response from Tomcat Server: Updated from Japan (old info) → India (updated Info)
  {
  "id": 4,
  "countryName": "India",
  "countryCapital": "Delhi"
  }
  

< DELETE Method >

• Description: Delete Country Info at specific Index
• Request URL: http://localhost:8080/deletecountry/4
• Request Body: N/A
• Response from Tomcat Server:
  {
  "msg": "Country Deleted",
  "id": 4
  }