How to create an Array of TreeSet ?


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Thread: How to create an Array of TreeSet ?

  1. #1
    Join Date
    Nov 2005
    Posts
    3

    Question How to create an Array of TreeSet ?

    Hello,

    I am writing an application to solve the Sudoku puzzle and I need to create an array that will contain TreeSet objects. The TreeSets will contain String elements.

    I have tried the following syntax without result (error messages follows the code):


    private final int DIM2=9;

    private Set<String>[] ligneGrille = new TreeSet<String>() [9];
    private TreeSet<String>[] ligneGrille = new TreeSet<String>() [DIM2];
    //array required, but java.util.TreeSet<java.lang.String> found

    private Set<String>[] ligneGrille = new TreeSet<String>();
    //incompatible tpes :
    //found : java.util.TreeSet<java.lang.String>
    //required: java.util.Set<java.lang.String>[]


    Also, how would I access the TreeSet after it's created?

    (Something like :

    ligneGrille [0].add("6"); )


    I am using NetBeans 4 as IDE.



    Thanks for the help,

    Pierre C.

  2. #2
    Join Date
    Nov 2005
    Posts
    3
    Finally, this worked :

    private Set[] ligneGrille = new TreeSet [DIM2];

    for (int i = 0; i<DIM2; i++) {
    ligneGrille[i] = new TreeSet<String> ();
    }

    Then, I could access it :

    ligneGrille[indexX].add(aRemplacer);

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