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

1Z0-819日本語 Exam Simulator
  • Exam Code: 1z0-819-JPN
  • Exam Name: Java SE 11 Developer (1Z0-819日本語版)
  • Updated: Nov 11, 2026
  • Q & A: 297 Questions and Answers
  • Oracle 1Z0-819日本語 Q&A - in .pdf

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About Oracle 1Z0-819日本語 Exam Simulator

How to Prepare For Java SE 11 Developer Exam Number: 1Z0-819

Preparation Guide for Java SE 11 Developer Exam Number: 1Z0-819

Introduction for Java SE 11 Developer Exam Number: 1Z0-819

1Z0-006 exam is for those that have completed the Database Foundations, Database Design and Programming with SQL (Oracle Academy training), Oracle Database 12c Administration Workshop or Oracle Database Introduction to SQL training. Passing this exam gives the certification credential demonstrating your understanding of the different types of database models and components. And, you will enhance knowledge of database components, concepts and design, implementation of business roles, SQL language and queries, and ERD modeling and languages to manage data and transactions.

The Java SE 11 Developer Exam Number: 1Z0-819 is recommended for the following candidates who have:

  • Exposure to the Java programming language
  • Have a desire to get Java certified and earn more money
  • Be a professional programmer with Java experience
  • Desirable to have completed some or all of my Java Masterclass
  • Preferably have completed all or part of my Java Masterclass here on Udemy (or another Java course)

Becoming Java certified is a great way to help improve your career options with more job opportunities and more pay. That's because Oracle's Java certification program, unlike many other certifications out there, has real value in the industry. One of the main reasons is that it's an official Oracle certification, but second, the exam is quite difficult to pass. Employers see programmers who are Java certified as more valuable than programmers who are not certified. So it's totally worth getting Java certified to take advantage of this.

ORACLE 1Z0-006 practice exams and ORACLE 1Z0-006 practice exams are designed specifically for candidates to gain an uperhand on experience and knowledge to get through this exam.

Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913

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Exam Topic for Java SE 11 Developer Exam Number: 1Z0-819

The following will be discussed in ORACLE 1Z0-006 exam dumps:

  • Database Applications with JDBC
  • Annotations
  • Java I/O API
  • Java Object-Oriented Approach
  • Working with Java data types
  • Java Platform Module System
  • Working with Arrays and Collections

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Oracle 1Z0-819日本語 Exam Syllabus Topics:

SectionObjectives
Topic 1: Streams API- Stream operations
  • 1. Collectors
    • 2. Intermediate and terminal operations
      Topic 2: Generics and Collections- Generics
      • 1. Wildcards
        • 2. Generic classes and methods
          - Java Collections Framework
          • 1. List, Set, Map interfaces
            • 2. Sorting and searching
              Topic 3: JDBC and Database Connectivity- Database access
              • 1. JDBC API usage
                • 2. SQL execution from Java
                  Topic 4: Concurrency- Multithreading
                  • 1. Executor framework
                    • 2. Thread lifecycle
                      Topic 5: Exception Handling- Error handling in Java
                      • 1. Checked and unchecked exceptions
                        • 2. Try-catch-finally blocks
                          Topic 6: Java I/O and NIO- File handling
                          • 1. FileReader and FileWriter
                            • 2. NIO file APIs
                              Topic 7: Java Class Design- Encapsulation and Inheritance
                              • 1. Inheritance hierarchies
                                • 2. Class structure and modifiers
                                  - Polymorphism
                                  • 1. Method overriding
                                    • 2. Dynamic binding
                                      Topic 8: Functional Programming- Lambda Expressions
                                      • 1. Functional interfaces
                                        • 2. Lambda syntax and usage

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

                                          Question #1

                                          次のコードフラグメントがあるとします:

                                          結果はどうなりましたか?

                                          • A. -3
                                          • B. 2
                                          • C. -1
                                          • D. 1
                                          Reveal Solution  Discussion  0

                                          Correct Answer: B  🗳️

                                          Question #2

                                          次の module-info.java ファイルを持つメイン モジュールを持つアプリケーションがあるとします。

                                          正しいのは次のうちどれですか? (2つ選択してください。)

                                          • A. エラーなしでコンパイルするには、アプリケーションのモジュール ソース パスに、country.CountryDetails の実装を提供するモジュールが少なくとも 1 つ必要です。
                                          • B. country.countryDetails の実装をメインモジュールに追加できます。
                                          • C. エラーなしで実行するには、アプリケーションのモジュール パスに、country.CountryDetails の実装を提供するモジュールが少なくとも 1 つ含まれている必要があります。
                                          • D. country.CountryDetails の実装を提供するモジュールには、module-info.java ファイルに require main; ディレクティブが必要です。
                                          • E. country.CountryDetails の実装を提供するモジュールは、メイン モジュールを再コンパイルせずにコンパイルおよび追加できます。
                                          Reveal Solution  Discussion  0

                                          Correct Answer: A,D  🗳️

                                          Question #3

                                          与えられた条件:

                                          変数カウントがゼロ未満のアイテムが含まれているアイテム リストを調べます。
                                          1 行目のどのコードフラグメントがこれを実現しますか?

                                          • A. if (items.stream() .filter(i -> count < 0) . findFirst() ) {
                                          • B. (items.stream().anymatch(i -> count < 0) < 0) の場合{
                                          • C. If (items.stream() .filter(i -> count < 0) . findAny() ) {
                                          • D. if (items.stream() .allmatch (i -> count < 0) < 0) ) {
                                          Reveal Solution  Discussion  0

                                          Correct Answer: A  🗳️

                                          Question #4

                                          与えられた条件:

                                          そしてコマンド:
                                          これらのコマンドを実行するとどのような結果になりますか?

                                          • A.
                                          • B.
                                          • C.
                                          • D.
                                          Reveal Solution  Discussion  0

                                          Correct Answer: B  🗳️

                                          Question #5

                                          与えられた条件:

                                          結果はどうなりましたか?

                                          • A. マップ: 4 キー: 0 値: 0
                                          • B. マップ: 4 キー: 4 値: 4
                                          • C. マップ: 0 キー: 4 値: 4
                                          • D. マップ: 0 キー: 0 値: 0
                                          • E. コンパイルに失敗しました。
                                          Reveal Solution  Discussion  0

                                          Correct Answer: A  🗳️

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