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Why use collections?
uLogical
reason:
ØCollections
allow you to articulate and manipulate sets of data.
uTechnical
reason:
ØProcessing data in sets is “usually” faster than doing so
one element at a time.
uPhysical
reason:
ØManipulating
sets in memory is “usually” 100 times faster than manipulating sets
on the storage device.
