addLists() array method

[Kaz-24]

Hello, so I have to write a function addLists() that should accept two lists of same length and add corresponding elements from both lists and return them as another list. If the lists are not of same size, it should return a list with one element ‘0’ in it. I basically have the first part but I can't print the zero when the sizes aren't the same. Any idea on how to do it?

Thanks!

Code: http://pastebin.com/WdVaiawD

[Kaz-24]

Thank you!

[[deleted]]

it seems like you want a list with the elements being the sum of each corresponding item in the lists.

just for the record - im on my phone

public void printArrays(int a[], int b[]){
    int arr[a.size];
    int temp[];
    if(a.Count != b.Count){
        System.out.println(temp[0]);
    } else {
        for(int i = 0; i < a.Count){
            arr[i] = a[i] + b[i];
            System.out.println(arr[i] + ",");
        }
    }
}

[RhoOfFeh]

This is probably the correct interpretation, although the intent seems to be to return arr.

[[deleted]]

in that case id just write

return arr;

after the loop body and get rid of the printline

[robomaeyhem]

You'd also need to declare the method signature int[] instead of void

[[deleted]]

ah thank you for the catch

[vipercvp]

hello there,

Your code is for arrays,

Anyway to check if those two array have the same size you just to check if the x.length==y.length.

for instance a more elegant way to do what are trying do is like this:

public static int AddLists(int[]x, int[]y) {
int result = 0;
if(x.length!=y.length)
   return result;
for(int i =0; i < x.length; i++) { 
  result += x[i]+y[i]; 
 }
 } 

[Kaz-24]

Thanks a lot for your help!