REST Service Demo with Spring Boot

This example demonstrates how you can implement REST service in Spring Boot.

Technical Details

In this project, we are going to use below set of versions for demonstrations.

Spring Boot - 3.3.3
Spring - 6.1.12 
Lombok - 1.18.30

Building

The example can be built with

mvn clean install

Running the example in your local

mvn clean spring-boot:run

Send message to application with the help of demo REST API

Update the message in below common while posting multiple messages.

Add Few entries first to have smooth experience

curl -X POST -H 'Content-Type: application/json' http://localhost:8080/training-management/training --data "{\"id\" : 0, \"name\" : \"SQL\", \"duration\" : 8, \"prerequisite\" : \"OOPs, DBMS\"}"

curl -X POST -H 'Content-Type: application/json' http://localhost:8080/training-management/training --data "{\"id\" : 1, \"name\" : \"Java-11\", \"duration\" : 8, \"prerequisite\" : \"OOPs, Logical Thinking\"}"

curl -X POST -H 'Content-Type: application/json' http://localhost:8080/training-management/training --data "{\"id\" : 2, \"name\" : \"Java-17\", \"duration\" : 8, \"prerequisite\" : \"OOPs, Logical Thinking\"}"

curl -X POST -H 'Content-Type: application/json' http://localhost:8080/training-management/training --data "{\"id\" : 3, \"name\" : \"Maven\", \"duration\" : 4, \"prerequisite\" : \"OOPs, Logical Thinking, Java\"}"

curl -X POST -H 'Content-Type: application/json' http://localhost:8080/training-management/training --data "{\"id\" : 4, \"name\" : \"Spring\", \"duration\" : 16, \"prerequisite\" : \"OOPs, Java, Maven\"}"

curl -X POST -H 'Content-Type: application/json' http://localhost:8080/training-management/training --data "{\"id\" : 5, \"name\" : \"Spring Boot\", \"duration\" : 16, \"prerequisite\" : \"OOPs, Java, Maven, Spring\"}"

curl -X POST -H 'Content-Type: application/json' http://localhost:8080/training-management/training --data "{\"id\" : 6, \"name\" : \"Hibernate\", \"duration\" : 16, \"prerequisite\" : \"OOPs, Java, Maven, Spring, SQL\"}"

Let's Search the Training now:

curl -X GET -H 'Content-Type: application/json' http://localhost:8080/training-management/training

curl -X GET -H 'Content-Type: application/json' http://localhost:8080/training-management/training/0

curl -X GET -H 'Content-Type: application/json' http://localhost:8080/training-management/training/1

curl -X GET -H 'Content-Type: application/json' http://localhost:8080/training-management/training/2

curl -X GET -H 'Content-Type: application/json' http://localhost:8080/training-management/training/3

curl -X GET -H 'Content-Type: application/json' http://localhost:8080/training-management/training/4

curl -X GET -H 'Content-Type: application/json' http://localhost:8080/training-management/training/5

curl -X GET -H 'Content-Type: application/json' http://localhost:8080/training-management/training/6

Update the few entries:

curl -X PUT -H 'Content-Type: application/json' http://localhost:8080/training-management/training/0 --data "{\"duration\" : 10, \"prerequisite\" : \"Java, DBMS\"}"

curl -X PUT -H 'Content-Type: application/json' http://localhost:8080/training-management/training/1 --data "{\"duration\" : 8, \"prerequisite\" : \"OOPs\"}"

curl -X PUT -H 'Content-Type: application/json' http://localhost:8080/training-management/training/2 --data "\"duration\" : 8\"}"

curl -X PUT -H 'Content-Type: application/json' http://localhost:8080/training-management/training/3 --data "\"prerequisite\" : \"OOPs, Logical Thinking, Java-17\"}"

curl -X PUT -H 'Content-Type: application/json' http://localhost:8080/training-management/training/4 --data "{\"duration\" : 16, \"prerequisite\" : \"Java, Maven\"}"

curl -X PUT -H 'Content-Type: application/json' http://localhost:8080/training-management/training/5 --data "{\"duration\" : 15, \"prerequisite\" : \"Java, Maven, Spring\"}"

curl -X PUT -H 'Content-Type: application/json' http://localhost:8080/training-management/training/6 --data "{\"duration\" : 14, \"prerequisite\" : \"Java, Maven, Spring, SQL\"}"

Want to test Delete?

curl -X DELETE -H 'Content-Type: application/json' http://localhost:8080/training-management/training/0

curl -X DELETE -H 'Content-Type: application/json' http://localhost:8080/training-management/training/1

curl -X DELETE -H 'Content-Type: application/json' http://localhost:8080/training-management/training/2

curl -X DELETE -H 'Content-Type: application/json' http://localhost:8080/training-management/training/3

curl -X DELETE -H 'Content-Type: application/json' http://localhost:8080/training-management/training/4

curl -X DELETE -H 'Content-Type: application/json' http://localhost:8080/training-management/training/5

curl -X DELETE -H 'Content-Type: application/json' http://localhost:8080/training-management/training/6