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Asked: 2026-05-24T03:12:00+00:00

:) I have int[] code = new int[10]; It has the following values: code[0]

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🙂
I have 

int[] code = new int[10];

It has the following values:

code[0] = 1234;
code[1] = 2222;
code[2] = 2121;
code[3] = 4321;
code[4] = 3333;
code[5] = 2356;

The code in this case refers to the serial number of the files.
The user is suppose to enter the code of the file to remove that specific file.

Let’s say user enter 3333 as the code to remove.
code[4] = 3333 would be removed and code[5] = 2356 will move up to take its place. See below…

code[0] = 1234;
code[1] = 2222;
code[2] = 2121;
code[3] = 4321;
code[4] = 2356;

How would I tackle this problem?

I read up that using an Array List would make my life much easier.
However, I was told to just use an array.
Any help please? 🙂

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1 Answer

  1. Editorial Team

    How would I tackle this problem?

    Allocate a new array and copy all of the values that you want to keep from the existing array to the new one.

    You could also update the array in place, filling the “hole” at the end of the array with some special value that can’t be a legal code.

    Since this is a “sounds like homework” question, I’ll leave you to figure out how to code it. (It is pretty simple. Just a loop, a test, and some careful manipulation of a second index.)

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