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A comma-separated values (CSV) file stores tabular data (numbers and text) as plain text, with rows and columns delimited by line terminators and commas, respectively. You may also use this tag for variants where fields are separated by tabs or semicolons.

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Group lines from the CSV file

I have a CSV file which looks like this: ID | Name | Date "1","Foo1","2013-08-03 21:00:08" "1","Foo2","2013-08-03 21:00:08" "2","Foo3","2013-08-03 21:00:08" ... … I need to write a method which returns a list of the lines with same ID and date, for reading the CSV file I am using OpenCSV. …