ile “ABC.txt” contains three integers separated by commas. Write a program that use the existing file, read the integers and display them in reverse order separated by spaces. Secondly, get string input from user and append an existing file. Finally, count the number of words in a file.

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A: below is the java code

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A: Answer: I have done code in C++ . and also I have attached code as well as code screenshot.

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A: Actually, program is an executable software that runs on a computer.

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A: Here, Code instruction is given.

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A: According to the Question below the solution:   Output:

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A: Answer:)

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A: ANSWER:-

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A: Actually, the code has given below:

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A: The required java program is provided below in the next step.

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A:

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Random Access

Random access is generally known as direct access. Random access is the capability to have access to any item from a given population of elements at random. Sequential access is the direct opposite of random access. In random access, the elements can be retrieved irrespective of the location. In order to move from point A to Z,  you can just jump to point Z in random access system. The disk is an example of random access.