Create a test program that creates 4 array lists. Make use of the random function and place 8 (matching/pairs of) different int values in the four lists. Remember the objective of the game is to find matching pairs so you must make sure that each value you enter has got another matching value. But it will also create problems if a value is entered more than 2 times in the 4 lists. Hint make use of getCount. (10) Test the methods created and the working of the placement of the default values.

Q: What may result in an off-by-one mistake when using an array

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A: Array is a collection of elements of same datatype and array indexing starts from 0

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A: Introduction the question is about the Increasing the length property value adds extra items to an…

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A:

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Q: When working with an array, what can produce an off-by-one error?

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A: please see the next step for solution

Array

The simplest way to start thinking about an array is as a collection, or a set of elements. In programming, these elements may be constants, variables, functions and pointers.