Error symbol  : constructor WWLTableModel()

my main program is called SP.java with GUI and i created another class WWLTableModel.java. i would like to call the WWLTableModel class from my main program and i tried using the below codings
    private void createSetComparison (){
        WWLTableModel[] wwlTM = new WWLTableModel [map.size()]; //create a Set of array and store in WWLTableModel
        Set set1 = map.entrySet();
        Iterator iteratorSet1 = set1.iterator();
        int a = 0;
        while (iteratorSet1.hasNext()){
            wwlTM[a]= new WWLTableModel(); //-->error appears here
    }but there is an error on the code lined wwlTM[a]= new WWLTableModel(); after compilation, which says
symbol : constructor WWLTableModel()
location: class WWLTableModel
wwlTM[a]= new WWLTableModel();
how do i solve this problem?? in other words, how do i call the class WWLTableModel from my main program??

From the error message, the WWLTableModel class has no available constructor which accepts no arguments. So what does that class look like?

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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 

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