Question 11 (1 point) Suppose a supermarket needs to store number of units sold of a particular product in
their 20 locations. Which of the following would be the best data structure to use
and why?
3
6
An ArrayList of Double because the number of products is known
An ArrayList of Integer because the number of locations is known
9
An ArrayList of Integer because the number of locations is unknown
D
12.
An array of int because the number of locations is known
4.
15
An array of double because the number of locations is known
An ArrayList of Double because the number of locations is unknown
AND 4
o
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Java and c++ are examples of languagehigh-level languagesmachine languagecompiler languages

A-12.3 an american spy is deep undercover in the hostile country of phonemia. in order not to waste scarce resources, any time he wants to send a message back home, he removes all the punctuation from his message and converts all the letters to uppercase. so, for example, to send the message, “abort the plan! meet at the dark cabin.” he would transmit given such a string, s, of n uppercase letters, describe an efficient way of breaking it into a sequence of valid english words. you may assume that you have a function, valid(s), which can take a character string, s, and return true if and only if s is a valid english word. what is the running time of your algorithm, assuming each call to the function, valid, runs in o(1) time?