Spring-Boot-MicroService-Using-Collection-API-As-Dummy-DB

In this Code we have used Collection API as a Dummy Data Base for storing the data instead of using traditional Database

YouTube Link for this Video (Live Demo) :

Start with Collection Framework, then start with below DB

1. in Memory DB
2. RDBMS DB
3. NoSQL DB
4. Cache

► Download the sample java and microservice application from gitHub: https://github.com/admindebu/ ► Follow on Facebook: https://www.facebook.com/TechTalkDebu ► Follow on LinkedIn: https://www.linkedin.com/in/debu-paul

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1. Core Java :: https://www.youtube.com/watch?v=IR_h0okI_eU&list=PLRlT3yKdok6o5pLrr74SdpRI0ZV-KbGOl
2. Spring MVC & Spring Boot :: https://www.youtube.com/watch?v=f-Wk1t8Cfio&list=PLRlT3yKdok6rFd0_O6-lpuIrNwFgxP_b8
3. Micro Service :: https://www.youtube.com/watch?v=pscyaLdGtnI&list=PLRlT3yKdok6r_6j4Y0R75TP4WiiaT21K7
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► HTTPS & HTTPS protocol :: https://www.youtube.com/watch?v=BlnSSD0Vw98&list=PLRlT3yKdok6ovZ3BGGM3eanawiNUOcrWz

► Required Application

1. JDK 1.8 - Execution environment
2. Maven 3.6 - Proejct build tool
3. IDE ( Eclipse/Intellij ) - Writing Code
4. For API Testing - Postman or Restclient
   ► Generate Spring Boot Template use SPring Initializr : https://start.spring.io/

► API URL 

:::: GET ::: Url :- http://localhost:8080/api/v1/user

:::: POST ::: Url -> http://localhost:8080/api/v1/user give below value in "raw" section of "body" tab and select (JSON)

{
	"id": 1,
	"name": "Debu",
	"address": "INDIA",
	"emailId": "[email protected]"
}

:::: Put(Update) ::: Url -> http://localhost:8080/api/v1/user/2

give below value in "raw" section of "body" tab and select (JSON)

{
	"id": 2,
	"name": "PAUL",
	"address": "UK",
	"emailId": "[email protected]"
}

:::: Delete ::: Url -> http://localhost:8080/api/v1/user/2

► Software installation

Java 8 Download lInk : https://www.oracle.com/java/technologies/javase-jdk8-downloads.html install java Goto Java 8 JDK path in c drive Add in environment variables : JAVA_HOME = value Edit path variable : %JAVA_HOME%\bin -> then save Come to cmd and check java version Command : javac check java version : java -version

Install Maven : Check maven install & Version command : mvn -version set the M2_HOME from environment variables set the path varibales = %M2_HOME%\bin check mvaen version in cmd : mvn -version For building application CMD with maven command is : mvn clean install ( make sure you will be in POM file location )

Install postman : https://www.postman.com/downloads/

HTTP Methods : GET , POST, PUT, DELETE, PATCH

HTTP status Code : ( Home status code ) Ref: https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html 1xx (Informational) 3xx ( Redirect ) 2xx (Success or Ok ) 4xx ( Client Side error ) - 400 ( Bad Request ) / 401 ( unauthroized acces ) / 404 ( URL not found ) / 405 (Method not allowed) 5xx ( Server side error ) - 500 (internal server Error) / 503 ( Bad Gaetway)

Play List : https://www.youtube.com/watch?v=CFoxrsEdo-w&list=PLRlT3yKdok6pLwhX58LwNBcsqGl_K206b Tutorial for beginners with examples, Interview Questions and Concepts.