Filter a CSV file and re-arrange it by category #eg60

The CSV file below has 4 columns: idSale (id), Movie (movie name), Genre and Director:

Use Java to implement a task: filter the file using Director as the argument, group it by Genre, and print data in the order of genre and then movie names. For example, when argument is set as Christopher Nolan, we have the following result:

Here is SPL script:

A1: Open the CSV file and filter it by director.

A2: Group the file by Genre and loop to compute one group each time.

Read How to Call a SPL Script in Java to find how to integrate SPL into a Java application.

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