#Read list inside CSV file in java

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edgy monolith
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I have a CSV file in which there are 2 columns: weekday and itemQuantity. I want each week day to map to a list of the quantities of a certain item on that day. Do CSV files allow to store lists in a column, and if so, how would I read that list to parse it as a CSV record?

cosmic mauveBOT
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chilly turtle
fossil widget
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The first thing that came to my mind is using an hashmap. It can store the weekday and the value of that week

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Of course, there are a lot of libraries out there for parsing CSV but I think hashmap is the way to go if you were to learn