ObjectOriented | 面向对象课设，windows纸牌游戏

I have to do this excercise:

A common punishment for school children is to write out the same sentence multiple times. Write a C++ stand-alone program that will write out the following sentence one hundred times: “I will always use objectoriented design.” Your program should number each of the sentences and it should “accidentally” make eight different random-looking typos at various points in the listing, so that it looks like a human typed it all by hand.

My knowledge is limited with C random numbers. I have tried this with no success. I can't get 8 errors. As we can see, I get Random errors with the "typo".

Here is my buggy code:

I want to read in a xml-file based on jaxb to my objectoriented structure.

Lets say this is my xml-file:

So once I learned PHP the non ObjectOriented way I decided to move to it.

While doing a simple query, I get the "rows" the query returns but trying to access its fields (columns) just seems not to work.

To be clearer, I have this PHP code, where I show the results into a table: