Oracle Java SE 1Z0-819日本語

From your first practice question to exam day, Getcertkey covers the entire 1Z0-819日本語 journey: a free demo, 297 practice questions in three formats, a full year of free updates, and a clear refund policy. Preparing for the Oracle Java SE 11 Developer (1Z0-819日本語版) exam has rarely been this straightforward.

Oracle 1Z0-819日本語 Exam Overview:

Certification Vendor:	Oracle
Exam Name:	Java SE 11 Developer
Exam Number:	1Z0-819
Available Languages:	English, Japanese
Exam Duration:	180 minutes
Exam Price:	USD 245 (may vary by country/region)
Real Exam Qty:	50-70 (varies)
Related Certifications:	Oracle Certified Professional Java SE 8 Developer Oracle Certified Associate (OCA) Java SE 8/11
Exam Format:	Multiple Choice, Multiple Response, Drag and Drop
Passing Score:	Approximately 68%
Certificate Validity Period:	No expiration
Recommended Training:	Oracle University Java Training
Exam Registration:	Oracle Certification Registration
Sample Questions:
Exam Way:	Online proctored or authorized test center
Pre Condition:	Recommended: Strong understanding of Java SE 11 fundamentals and prior Java certification knowledge (OCA-level).
Official Syllabus URL:	https://education.oracle.com

Oracle 1Z0-819日本語 Exam Syllabus Topics:

Common Questions About the Oracle 1Z0-819日本語 Exam

What is the Oracle Java SE 11 Developer (1Z0-819日本語版) exam all about?

The 1Z0-819日本語 exam is the official Oracle exam behind the Oracle Certified Professional (OCP), Java SE 11 Developer certification, validating the skills measured by the Oracle Java SE 11 Developer (1Z0-819日本語版) credential. It sits at the Professional level of the Oracle certification program. It also connects to Oracle Certified Associate (OCA) Java SE 8/11, Oracle Certified Professional Java SE 8 Developer, so the knowledge you build here carries over to those tracks as well.

How many questions are on the 1Z0-819日本語 exam, and how much time do I get?

The 1Z0-819日本語 exam contains 50-70 (varies) questions to be completed within 180 minutes. Before exam day, divide the available time by the question count to work out a comfortable per-question pace, and mark any item that eats into it so you can return later instead of getting stuck. Timed sessions in the Getcertkey test engines make that pacing automatic — run at least two full-length mock exams under the clock so time pressure never becomes the reason you drop points.

What score do I need to pass the 1Z0-819日本語 exam, and what does it cost?

The passing score for the 1Z0-819日本語 exam is Approximately 68%, and the official registration fee is USD 245 (may vary by country/region). Retakes are not discounted — every new attempt means paying the full fee again — so it pays to measure yourself before you book. Work through the 297 practice questions on Getcertkey, sit a timed practice test, and schedule your exam only when your scores are consistently comfortable. That simple habit is the cheapest exam strategy there is.

Are there any prerequisites for the 1Z0-819日本語 exam?

Recommended: Strong understanding of Java SE 11 fundamentals and prior Java certification knowledge (OCA-level). Requirements can change when Oracle revises its certification program, so confirm the current eligibility rules on the official exam page before you register.

How do I register for the 1Z0-819日本語 exam?

You can book the Oracle Java SE 11 Developer (1Z0-819日本語版) exam through the official registration channels below:

• Oracle Certification Registration

As for delivery, the exam is offered in the following format: Online proctored or authorized test center. Choose the option that suits you best when you book your seat.

What official training is recommended for the 1Z0-819日本語 exam?

Oracle recommends the following training resources for the Oracle Java SE 11 Developer (1Z0-819日本語版) exam:

• Oracle University Java Training

Official courses build the foundation; the 297 practice questions from Getcertkey then show you how that knowledge is examined, so the two work best together.

Can I try the 1Z0-819日本語 practice questions before I buy?

Yes. Getcertkey provides a free 1Z0-819日本語 PDF demo so you can review the question style and answer quality before purchasing. Every purchase also includes 365 days of free updates — if Oracle revises the exam during that period, the updated material reaches you at no cost. Once the free-update year ends, you can extend your update service at a 50% discount.

What if I fail the 1Z0-819日本語 exam, and how is my order delivered?

Every Oracle Java SE 11 Developer (1Z0-819日本語版) purchase on Getcertkey is covered by a 100% money-back guarantee with clear conditions: if you take the corresponding exam within 60 days of your purchase and do not pass, you can claim a full refund by submitting a scanned copy of your exam enrollment slip and your official score report as a PDF within two days of the exam date; claims are processed within seven days of submission. The guarantee does not apply to exams taken within three days of purchase, to material that was downloaded but never used in an exam attempt, or to free products and expired orders, and the candidate name must match the payer name. If you would rather not take a refund, you can instead exchange your purchase for two free exam preparation products of equal value and keep the update service on your original product.

Delivery is instant: your download is sent to your email within one minute of payment, with no limit on how many computers you may install the material on. If nothing arrives within two hours, check your spam folder and contact customer service for help.

What topics are covered in the 1Z0-819日本語 exam?

The Oracle Java SE 11 Developer (1Z0-819日本語版) exam blueprint is organized into 8 domains. The first three are:

• Java Class Design
• Streams API
• Generics and Collections

For the complete domain-by-domain breakdown, scroll up to the full exam topics outline above and use it to plan how you distribute your study time.

Oracle Java SE 11 Developer (1Z0-819日本語版) Sample Questions:

Question #1
与えられた条件:

このクラスをコンパイルするには、1 行目に何を追加する必要がありますか?

A. IOException e をキャッチします。{}
B. キャッチ(FileNotFoundException | IOException e) { }
C. FileNotFoundException | IndexOutOfBoundsException e をキャッチします。{}
D. IndexOutOfBoundsException をキャッチします。{}FileNotFoundException をキャッチします。{}
E. FileNotFoundException をキャッチします。{}IndexOutOfBoundsException をキャッチします。{}

Question #2
与えられた条件:

結果はどうなりましたか？

A. コードはコンパイルされません。
B. オイラー値 = "2.71828"
C. 実行時例外をスローします。
D. オイラー値 = 2.71828

Question #3
与えられた条件:

プレイヤーのスコアの平均を計算します。
1 行目に挿入されたどのステートメントがこれを実現しますか?

A. players.stream().map(a -> a.score).average();
B. players.stream().average().orElse(0.0);
C. players.stream().mapToInt(a -> a.score).average().orElse(0.0);
D. players.stream().mapToDouble(a -> a.score).average();

Question #4
次の宣言を前提とします。

コード フラグメントの Loc1 に適用できる 2 つのアノテーションはどれですか。(2 つ選択してください。)

A. @リソース("顧客1")
B. @リソース(値={{}})
C. @Resource({"顧客1", "顧客2"})
D. @リソース
E. @リソース()

Question #5
次の宣言を前提とします。

次のコード フラグメントを調べます。
/* Loc1 */ クラス ProcessOrders { ... }
コード フラグメントの Loc1 に適用できる 2 つのアノテーションはどれですか。(2 つ選択してください。)

A. @リソース(優先度=100)
B. @リソース(名前="顧客1")
C. @リソース(優先度=0)
D. @リソース(名前="顧客1", 優先度=100)
E. @リソース

Solutions: