Java – Convert CSV File to/from JSON (String/File) – using Commons-CSV + Jackson

Java-convert-CSV-File-to-from-Json-File-Json-String-example-feature-image

In the tutorial, Grokonez shows how to convert CSV File to JSON String or JSON File and vice versa with Java language by examples.

I. Dependencies

II. CSV to JSON

CSV File to JSON String

We do 2 steps:
– Step 1: Read CSV File into Java List Objects
– Step 2: Convert Java List Objects to JSON String

-> CSV File:

Java-convert-CSV-File-to-from-Json-File-Json-String-example---csv-file

Customer.java:

-> Converting Implementation:

-> Output:

-> Pretty Format:

CSV File to JSON File

We do 2 steps:
– Step 1: Read CSV File into Java List Objects
– Step 2: Convert Java List Objects to JSON File

-> Implementation:

III. JSON to CSV

JSON String to CSV File

We do 2 steps:
– Convert JSON String to Java List Objects
– Write Java List Objects to CSV File

-> Implementation:

JSON File to CSV File

We do 2 steps:
– Read JSON File to Java List Objects
– Write Java List Objects to CSV File

-> Implementation:



By grokonez | February 21, 2019.


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