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2 years ago

Tell what an array is and list two scenarios in which modeling data as a Java array (vs. another data type) would make sense.

Computers and Technology

1 answer:

OlgaM077 [116]2 years ago

3 0

Answer:

The definition including its context of this discussion is outlined in the following clarification portion.

Explanation:

An array seems to be a storage research method to collect a set number of constant weight. Whenever the array was indeed generated, the length including its array has been determined. Its period is set after development.
Depending mostly on array description, the array may contain data structures and even some objects in something like a class. For primitive data types, the individual values become located at contiguous locations throughout the store.

Scenario:

If we're to preserve a summary, we could use the appropriate array size.
An individual can however preserve an object list.

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Which one of the following is NOT true about energy conversion devices? Group of answer choices Total Energy Input = Energy Diss

ICE Princess25 [194]

Answer:

Total Energy Input = Total Energy Output / Efficiency

Explanation:

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2 years ago

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2 years ago

What complications are imposed if one tries to implement a dynamic list using a traditional one-dimensional array

zheka24 [161]

Answer: The expansion of the list will be required to move to a new location;

So the complications that will be imposed if one tries to implement a dynamic list using a traditional one-dimensional array is that the expansion of the list will need to move to a new location.

Explanation: When we talk about arrays,we are referring to data structures that are useful when the number of entries that are to be stored inside a list is fixed.

But for one to implement a dynamic list which always grows or shrinks at run-time arrays cannot be useful.This is because any alteration will make the entire array to be altered.

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2 years ago

Andy is trying to put together a holiday gift knapsack (with W=8) for Sarah. He has n items to choose from, each with infinitely

Sever21 [200]

Answer:

See explaination

Explanation:

Given 3 items: {w1 = 1, v1 = 3}, {w2 = 3, v2 = 2}, {w3 = 4, v3 = 3}

Hence OPT(1) = 3, OPT(3) = 2, OPT(4) = 3

Recursive formula for OPT(k) to minimize value is

OPT(k) = INFINITE if k <= 0

= min(3 + OPT(k-1), 2 + OPT(k-3), 3 + OPT(k-4))

Let us calculate OPT(1) to OPT(8)

OPT(1) = 3

OPT(2) = min ( 3 + OPT(1), 2 + OPT(-1), 3 + OPT(-2)) = 6

OPT(3) = 2

OPT(4) = 3

OPT(5) = min ( 3 + OPT(4), 2 + OPT(2), 3 + OPT(1)) = min(6, 8, 6) = 6

OPT(6) = min ( 3 + OPT(5), 2 + OPT(3), 3 + OPT(2)) = min(9, 4, 9) = 4

OPT(7) = min ( 3 + OPT(6), 2 + OPT(4), 3 + OPT(3)) = min(7, 5, 5) = 5

OPT(8) = min ( 3 + OPT(7), 2 + OPT(5), 3 + OPT(4)) = min(8, 8, 6) = 6

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3 years ago

The default for automatic replies in outlook is what?

defon

Answer:

The default for automatic replies in outlook is turned off, so the user has to turn it on in order to use it.

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2 years ago

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