Now that I have passed Java SE8 Silver, I would like to describe how I have studied so far. I hope it will be helpful for those who are thinking of taking the exam in the future.
Test results Correct answer rate: 92%
A collection of classic questions [Kuromoto](https://www.amazon.co.jp/%E5%BE%B9%E5%BA%95%E6%94%BB%E7%95%A5-Java- I purchased and used Silver-% E5% 95% 8F% E9% A1% 8C% E9% 9B% 86-1Z0-808 / dp / 4844339931). This is only one book. Examples are prepared for each unit from Chapter 1 to Chapter 9, and practice tests are listed in Chapters 10 and 11. Another collection of problems [White Book](https://www.amazon.co.jp/%E3%82%AA%E3%83%A9%E3%82%AF%E3%83%AB%E8 % AA% 8D% E5% AE% 9A% E8% B3% 87% E6% A0% BC% E6% 95% 99% E7% A7% 91% E6% 9B% B8-Java% E3% 83% 97% E3 % 83% AD% E3% 82% B0% E3% 83% A9% E3% 83% 9E-Silver-SE-% E3% 82% B9% E3% 83% 94% E3% 83% BC% E3% 83% 89% E3% 83% 9E% E3% 82% B9% E3% 82% BF% E3% 83% BC% E5% 95% 8F% E9% A1% 8C% E9% 9B% 86 / dp / 4798142743 / ref = pd_lpo_sbs_14_img_2? _encoding = UTF8 & psc = 1 & refRID = WZ81PWY6YWTR9Y6RGM1C) and Purple book E3% 82% AF% E3% 83% AB% E8% AA% 8D% E5% AE% 9A% E8% B3% 87% E6% A0% BC% E6% 95% 99% E7% A7% 91% E6% 9B% B8-Java% E3% 83% 97% E3% 83% AD% E3% 82% B0% E3% 83% A9% E3% 83% 9E-Silver-SE-8 / dp / 4798142735 / ref = pd_bxgy_14_img_2? _encoding = UTF8 & psc = 1 & refRID = HVJAJET0SX9RF0173R9B) was not purchased. I felt that I didn't need a purple book if I had some knowledge and could read the source code.
I was studying at home. I didn't study while commuting because I had severe motion sickness, and I didn't want to carry around because the problem collection was heavy in the first place. I didn't have much time because I had work on weekdays, but I am studying all at once on holidays.
Solve the problem for the time being, check where you did not understand or why you did not understand the answer, and grasp the weaknesses. For the problems that were checked, I referred to the explanation and put them together on a separate sheet and ** output **. I deepened my understanding not only by reading the commentary but also by writing in my own words.
The disastrous result of 55% in Chapter 10 and 67% in Chapter 11. I was informed that my understanding was still insufficient. As with the example, check the questions in your own words to deepen your understanding.
Chapter 10 increased to 88% and Chapter 11 increased to 92%, and I started to attach myself. I thoroughly analyzed the problems that I made a mistake in the second time and summarized them in my own words.
After studying as above, it's finally the day of the exam. I was able to proceed unexpectedly quickly whether it was worth studying. The answer time is 150 minutes, but after about 90 minutes, the answer and review were completed, and I finished the exam and left the room.
A convenient IDE called eclipse sometimes corrects errors automatically, and as a person who relied on it, it was a good opportunity to know the true nature of Java. From SE8, APIs such as lambda expressions, LocalDate and localTime are also included in the question range, but there was only one question ... Anonymous Benkyo Shitanoni
I took Silver, so I would like to aim for Gold next time. I'm just trying to challenge after gaining a little more practical experience and knowledge without being impatient. You may also take some other qualification exam before Gold.
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