Replacing array with list. #1

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DimaPen wants to merge 1 commit into Apress:master from DimaPen:small-fix/arrray-to-list

DimaPen commented Nov 27, 2018

Each time that the shuffle function is called a new Random instance is created. Such behavior is very CPU-usage intensive and is not recommended.
For shuffling there is a better approach in the Collections.shuffle() method.
List is a better option than array according to Effective Java 2nd Edition (Item 25).


          Replacing array with list.

d3f46b7

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