OAC Study Guide - Programmer I (question)

Question

For the following code block, found on page 257 of the OCA JSE7 Guide Question #7, an IDE alert shows up "the value of the local variable sum is not used", however the answer is 15. What are the assumptions not given, specifically related to sum?
          int[][] square = new int[3][3];
          for(int i=0;i<3;i++){
               square[i] =5;
          int sum = 0;
          for(int i=0;i<3;i++) {
               for(int j=0;j<3;j++){
               sum +=square[i][j];
          }Edited by: 1003731 on May 2, 2013 8:31 AM                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               

Answer 1

oops, I fixed my copy of the code. In the future use \ tags when posting code to prevent the forum from eating up formatting tags and to have it printed out prettily like you can see in my post, like so:
\yourcodehere
\But what I say may not be relevant anymore soon as the forum is getting a major upgrade.