Write a test program that reads a 3-by-4 matrix and displays the sum of each row. Here is a sample run

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A: Here is your solution -

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A: I have provided solution in step 2.

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A:

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A: JAVA Code is below:

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.