Java And Spring Coding Just For Fun 😁

My Java and Spring Coding playground Repository.
nothing special. just playing with code, that's all.

Remark : Please note that all code is written based on JDK 17. Please keep this in mind.
Remark : (2024-03-31) The Code is now based on Java 21
Remark : (2024-03-31) The Spring Boot Version is now 3

🧭 Coding History

Here is a list of tasks that I have done so far.

• DataUri ⇿ Image File Converting
  • data uri and file converting in two seperate method
  • data uri and file converting in one method

• Controlling and manipulating strings
  • filtering string list with prefix pattern
  • converting between CamelCase and snake_case
  • string reverse
  • test spring's PropertyPlaceHolderHelper

• XML Marshalling, UnMarshalling
  • (Jakarta) JAXB - marshalling, unmarshalling
    • this code need some artifacts from maven repository. Please refer to the pom.xml file!
    • required artifacts: jakarta.xml.bind-api, jakarta.activation-api jaxb-runtime
  • Using Jackson XmlMapper (+ class)
  • Using Jackson XmlMapper (+ record)

• File System Controlling
  • playing with File & Directory

• Http Client API
  • playing with Java HttpClient
  • download video with Java HttpClient
  • HttpUrlConnection Practice
  • RestTemplate Practice
  • Sending 100 requests at once

• Proxy API
  • java built-in proxy test
  • how to create CGLIB PROXY
  • how to use ProxyFactory

• Converting
  • Convert Test Using Jackson ObjectMapper
  • Copy values using Model Mapper
  • Convert To Pojo <-> CSV
  • Convert To Pojo that looks similar with Excel Format

• Spring-related code
  • Simple SpEL test