int [] randomArray;
        randomArray = new int [7];

        int [] checkArray;
        checkArray = new int [7];

        for (int a = 0; a < randomArray.length; a++) {
            randomArray[a] = (int) (Math.random() * 39 + 1);

            for (int b = 0; b < array.length; b++) {

                for (int c = 0; c < checkArray.length; c++) {

                    if (randomArray[a] == array[b]) {
                        checkArray[c] = array[b];
                    }
                }
            }
        }