How to parse Json file



I want to parse the below Json file using scala for only Date columns:
The below Json file contains More then one tables and the requirement is to format date columns present in the tables, so I want fetch the columns name having Date as Value using Scala.

File Schema:

{ “Department”: {
“Columns”: {
“ID”: “Int”,
“Name”: “String”



Any one please suggest me how to proceed?