This repo contains the utilities created in java to support Automation:

Note

utility hypertext mark will navigate to respective motes.md file

Please go through the below table:

Utility	Package Name	Topics covered
Json Paring	src/main/java/jsonParsing	- JSONObject, POJO, serialization - deserialization - Object Mapper - Jackson API, - org.json.JSONObject - org.json.simple - Json to Excel
Database Connection	src/main/java/DataBaseConnection	- how to establish DB connection link - Fetching data from DB - Storing fetched Data into *.json - Execute query, ExecuteUpdate -Prepared Statements -setAutoCommit - Hikari CP
Password Protection	src/main/java/Password_Protection	- Password encryption & description - Use char[] instead of String to store Passwords
Unix Commands	src/main/java/unix_commands	- Basic Unix commands
Unix Playground	src/main/java/unix_playground	- Shell script execution(using process builder , using plexus utils, Using JSCH)
Docker	src/main/java/docker	- How to create docker images - Docker compose yaml example
Maven	src/main/java/maven	- maven notes
Http Client	src/main/java/httpClientLibrary	- Http client Sync and Async

Important

Points to remember:

Topics	Link
@JsonProperty("field_name")	- https://stackoverflow.com/questions/53191468/no-creators-like-default-construct-exist-cannot-deserialize-from-object-valu - https://www.concretepage.com/jackson-api/jackson-jsonproperty-and-jsonalias-example
org.json.JSONObject	is best in converting string to json object, json array on the fly
Password Protection	Never store password in String in java instead use char[] video_link, Oracle_recommendation