Before joining the company, I did a little bit of C language and Matlab in the undergraduate lectures. After that, he was admitted to a graduate school of liberal arts, so he joined the company seven years after graduating from the undergraduate school. Immediately after joining the company, I had training and spent three months doing Java and SQL (non-Oracle).
I thought that I would have some basic knowledge, so I did about two laps of the Speedmaster. Compared to other qualifications, study methods are limited because there are few exercises available on the Web. In fact, after taking the exam, I felt that one material wasn't enough to cover (but would Bronze spend that much money, effort and time).
I felt that it was easy to pass, but it was a little difficult to get a high score, because it requires knowledge such as interfaces that you wouldn't normally use (also called poking the corner of a heavy box).
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