public class TableUtilities {
    public static String getSmallMultiplicationTable() {
        return getMultiplicationTable(5);
    }

    public static String getLargeMultiplicationTable() {
        return getMultiplicationTable(10);
    }

    public static String getMultiplicationTable(int tableSize) {
        StringBuilder builder = new StringBuilder();
        for(int i = 1;i <=tableSize;i++){
            for(int j = 1; j <=tableSize;j++){
            builder.append(String.format("%3d |",i*j));
        }
        builder.append("\n");
    }
        return builder.toString();
    }
}