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Java 9 Cookbook by Nick Samoylov, Mohamed Sanaulla

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Getting ready

We have provided a sample store visit data at different times during the day along with the sales information during that hour. This sample data file can be found at the location, chp9/8_bubble_charts/src/gui/com/packt/store. Each line in the data file consists of three parts:

  1. The hour of the day
  2. The number of visits 
  3. Total sales

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