Databases
StackOverflow2013
Postsdbo
POProblems with loop / equals ==
 

Note that there are some explanatory texts on larger screens.

plurals
  1. POProblems with loop / equals ==
    primarykey
    data
    text
    <p>I have the following bit of code that I am having some difficulty with. My expectation for output should be the applicant # with their correlated test score. The first position of both arrays is for the answer key. Not quite sure where I am going wrong with this, but any help would be appreciated.</p> <pre><code>public class applicantCheck { //* main method public static void main(String[] args) { int i = 0, j = 0, correct; //* initialization of applicant id's and answers int[] appID = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}; char[][] appAnswers = { {'N','Y','N','N','Y','N','N','Y','N','Y'}, {'N','Y','Y','N','Y','N','Y','Y','N','Y'}, {'N','Y','N','Y','N','Y','Y','Y','N','N'}, {'N','Y','Y','N','Y','Y','Y','Y','Y','Y'}, {'Y','Y','N','N','Y','N','N','Y','Y','Y'}, {'Y','Y','N','Y','Y','Y','N','N','T','N'}, {'Y','Y','Y','Y','Y','Y','Y','Y','Y','Y'}, {'N','Y','N','N','N','Y','N','Y','N','Y'}, {'Y','N','Y','N','Y','N','Y','N','Y','N'}, {'Y','Y','Y','N','N','Y','Y','N','Y','N'}, {'N','N','N','N','N','N','N','N','N','N'}, {'Y','N','Y','Y','N','Y','Y','N','Y','N'}, {'N','Y','N','N','Y','Y','N','N','N','Y'}, {'N','Y','N','Y','N','Y','N','Y','N','Y'}, {'Y','N','Y','N','Y','Y','N','Y','N','Y'} }; System.out.println("Applicant #\t\tMark (out of " + appAnswers[i].length + ")"); for (i = 1; i &lt; appID.length; i++) { System.out.printf("%-9d", appID[i]); correct = 0; for (j = 0; j &lt;= i; j++) { if (appAnswers[0][j] == appAnswers[i][j]) { correct++; } } System.out.printf("%10d\n", correct); } // end of for loop System.out.println(); } // end of main } // end of file </code></pre> <p>The output is:</p> <pre><code>--------------------Configuration: &lt;Default&gt;-------------------- Applicant # Mark (out of 10) 1 2 2 3 3 3 4 4 5 3 6 2 7 6 8 3 9 2 10 Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 10 at applicantCheck.main(applicantCheck.java:36) </code></pre>
    singulars
    1. PO
      singulars
      1. PTAnswer
    1. This table or related slice is empty.
    1. PTQuestion
    1. This table or related slice is empty.
    1. USNYC Canuck
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
      singulars
      1. PTAnswer
    2. PO
      singulars
      1. PTAnswer
    1. VO
      singulars
      1. POProblems with loop / equals ==
      1. This table or related slice is empty.
      1. VTUpMod
    1. CORemember that Java arrays are 0-indexed (check out your initial value in `i`, which is also a hint as to the exception you're seeing.
      singulars
      1. POProblems with loop / equals ==
      1. USDave Newton
    2. CO@Dave Thanks. used `for (j = 0; j < appAnswers[i].length; j++)`
      singulars
      1. POProblems with loop / equals ==
      1. USNYC Canuck
 

Querying!

 
Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload