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array java help

i want to write a code to sum all elements in the array by the column. https://code.sololearn.com/ca9obHQyHt6R write it as a code for more understandnig because my english language poor

9/26/2021 8:48:42 AM

STOP

14 Answers

New Answer

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STOP Change your last loops

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STOP No check again summing column by column. If you want sum of all elements then doesn't make sense to get by column. I have given example also in code, you can check.

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STOP {1, 4}, {5, 6} Tell me what should be output in this case?

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The code works, it sums all the element. What is the problem?

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No read the full qustionIpang

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Okay, sorry ... So for this array example, what is the expected output? { {1, 2, 3}, (4, 5, 6) }

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Ipang i didnt understand what you mean

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How do you want to sum by the column, if the 2D array has data such as the sample array I've written?

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This will give the sum of 1st column import java.util.Scanner; public class Summing2Darrayelements { public static void main(String[] args) { Scanner input= new Scanner(System.in); // 2.1 // fourth way int [][] TwoDArray= new int [2][2]; // initializing 2D array using for loop System.out.println("Please enter the elements :"); for(int row=0; row< TwoDArray.length; row++) { for(int col=0; col< TwoDArray[row].length; col++) { TwoDArray[row][col]= input.nextInt(); }} // summing array elements int total=0; int col=0; for(int row=0; row<2; row++) { total+= TwoDArray[row][col]; } System.out.println("the total sum of array element is: "+total); } }

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STOP Do this int total=0; for(int row=0; row< TwoDArray.length; row++) { total = 0; for(int col = 0; col < TwoDArray[row].length; col++) { total += TwoDArray[col][row]; } System.out.println("Column wise sum of array element is: " + total); }

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A͢J - S͟o͟l͟o͟H͟e͟l͟p͟e͟r͟ where? In witch line?

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A͢J - S͟o͟l͟o͟H͟e͟l͟p͟e͟r͟ Here it only sum the first column, I want it to sum all columns

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A͢J - S͟o͟l͟o͟H͟e͟l͟p͟e͟r͟ its not sum all column

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STOP https://code.sololearn.com/cN35sH6X3lz2/?ref=app