public void printALl() {
        System.out.println("------- RATING TABLE -------");
        // Table print
        System.out.print("   ");
        for (int a = 0; a < itemIds.length; a++) {
            if (itemIds[a] < 10) {
                System.out.print(itemIds[a] + "   ");
            } else {
                System.out.print(itemIds[a] + "  ");
            }
        }
        System.out.println("");
        for (int i = 0; i < userIds.length; i++) {
            System.out.print(userIds[i] + "  ");
            for (int c = 0; c < itemIds.length; c++) {
                System.out.print(ratings[i][c] + " ");
            }
            System.out.println("");
        }
        System.out.println("------- ONE SLOPE -------");
        // OneSlope print
        System.out.print("   ");
        for (int a = 0; a < itemIds.length; a++) {
            if (itemIds[a] < 10) {
                System.out.print(itemIds[a] + "   ");
            } else {
                System.out.print(itemIds[a] + "  ");
            }
        }
        System.out.println("");
        for (int i = 0; i < itemIds.length; i++) {
            System.out.print(itemIds[i] + "  ");
            for (int c = 0; c < itemIds.length; c++) {
                System.out.print(oneSlope[i][c] + " ");
            }
            System.out.println("");
        }
    }