Need programming help with a java question (((Output of arrays)))

Anonymous
timer Asked: Nov 15th, 2015
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Question Description

1) List all values that the array ia will contain after the following code is executed:

    int[] ia = new int[10];

    ia[8] = 6;

    ia[4] = ia[8];

    ia[7] = 8;

    ia[3] = -30;

    ia[6] = 3;

    ia[2] = 6;

    ia[3] = 7;

    ia[5] = 2 * ia[4];

    ia[0] = 1;

    ia[1] = ia[0];

    int i = ia[6];

    ia[6] = 9;

    ia[i] = ia[4] * ia[8];

    ia[9] = 31;

Tutor Answer

shyamnair3
School: Duke University

Thank you for the opportunity to help you with your question!

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int[] ia = new int[10];

So the array ia can store 10 integer values in ia[0] to ia[9].


Lets start with ia[0] and move forward.

ia[0] = 1;


ia[1] = ia[0];  

which means ia[1] = 1


ia[2] = 6;


ia[3] = -30;

But then it is changed to

ia[3] = 7; 

Again it is changed 

ia[6] = 3;

int i = ia[6]; // i = 3

ia[i] = ia[4] * ia[8]; //ia[3] = ia[4] * ia[8] = 6 * 6 = 36

which means ia[3] in the end will contain 36.


ia[8] = 6;

ia[4] = ia[8];

which means ia[4] = 6


ia[5] = 2 * ia[4];

which means ia[5] = 2 * 6 = 12


ia[6] = 3;

But then it is changed to

ia[6] = 9;


ia[7] = 8;


ia[8] = 6;


ia[9] = 31;


So the values that the array ia will contain after the following code is executed is

ia[0] = 1;

 ia[1] = 1

ia[2] = 6;

ia[3] = 36

ia[4] = 6

ia[5] = 12

ia[6] = 9;

ia[7] = 8;

ia[8] = 6;

ia[9] = 31;


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Please let me know if you need any clarification. I'm always happy to answer your questions.

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Review

Anonymous
Tutor went the extra mile to help me with this essay. Citations were a bit shaky but I appreciated how well he handled APA styles and how ok he was to change them even though I didnt specify. Got a B+ which is believable and acceptable.

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