How to create a Dataframe from JSON file? How to write the dataframe contents into a JSON file?

Creating a dataframe from a JSON file, is done using the spark-dot-read-dot-json API.

The point to note here is, the json file is not a regular JSON file. Instead each line should contain a separate self-contained JSON object. A regular multi line json file will mostly fail.

This is how we can create a dataframe from a JSON file and write the dataframe contents to a JSON file