Recorded because it was accepted by Oracle Java Silver

Questioning tendency

As you write, a lot of questions will be asked from Kuromoto. I studied only black books, but when I studied all of them, it was a familiar problem of about 95%. About 3 out of 77 questions are unfamiliar, and some of them have unusually long question sentences (the coat color is clearly different at first glance), but if you can get 100 points at the end of the black book, 3 questions It doesn't matter if you drop it, so you can quickly review it with a flag, select it appropriately, and then review it in the extra time.

There are a lot of exactly the same problems, word for word. You could choose two or three words from a group of words about polymorphism or extended for sentences, and things like that were exactly the same, including incorrect answers. You can find the answer just by looking at the options without reading the question.

In addition, there are many problems with exactly the same contents, only the class name or variable name has changed. In the black book, A extends B {} is just car extends vehicle or cat extends Animal, and the code inside is the same.

I also understood the double loop of multiple arrays just by looking at the options.

On the contrary, solving without studying Kuromoto is a difficult technique even for Java veterans. Because more than half of them have riddle-like hooking problems.

Things to watch out for

If you are aiming for the future, please be careful about your physical condition. You should try to live a regular life three days before the exam.

--I can't go to the bathroom (not only is it too long, but I'm disqualified on the spot because I can't go back once I get out.) -I can't wipe my runny nose. I can't wipe my sweat. (Tissues, handkerchiefs, and face wash sheets are prohibited) --Prohibition of hydration, etc. ――Do not give eye drops even if your eyes are dry. ――I can't stand up even if my back hurts.

etc. It's hard to put up with this for 150 minutes.

Physical condition measures

From about a week ago, after eating rice, keep track of how long it takes to get sick and want to go to the bathroom on an hourly basis. On the day of the test, calculate it back and eat lightly during the test when your stomach does not hurt. On the contrary, don't pull it out. This is because if you are hungry, you will lose your concentration. Similarly, know when you want to go to the bathroom after drinking water. Drink it shortly before that.

Be sure to go to the bathroom at the end even if it is not held just before the test. You don't have to go out. You won't regret it during the exam.

Take a look at the test site or arrive at the nearest station about an hour in advance. You can take it about 30 minutes before, so when you finish the toilet and wipe your sweat, you can take it immediately.

Be careful not to overcool the air conditioner about three days before the test. It's getting a little hot. I can't use tissue, so if I have a cold at worst, I have no choice but to wear a shirt that I can wipe my runny nose.

In my case, I managed to get rid of the toilet and runny nose by taking the above measures.

Still, I had a pretty severe headache. When my head hurt, I took off my headphones and healed. If you are new to headphones, be careful with that too. However, if I can't attach it, I'm worried about the sound of the keyboard around me.

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