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  • Exam Code: 1z1-819-JPN
  • Exam Name: Java SE 11 Developer (1Z0-819日本語版)
  • Last Updated: Oct 15, 2026
  • Q & A: 297 Questions and Answers
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  • Exam Code: 1z1-819-JPN
  • Exam Name: Java SE 11 Developer (1Z0-819日本語版)
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  • Q & A: 297 Questions and Answers
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Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819

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

  • Use local variable type inference, including as lambda parameters
  • Use primitives and wrapper classes, including, operators, parentheses, type promotion and casting
  • Handle text using String and StringBuilder classes

Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819

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

  • Use Java Streams to filter, transform and process data
  • Create worker threads using Runnable and Callable, and manage concurrency using an ExecutorService and java.util.concurrent API
  • Use generics, including wildcards
  • Implement functional interfaces using lambda expressions, including interfaces from the java.util.function package
  • Use a Java array and List, Set, Map and Deque collections, including convenience methods
  • Sort collections and arrays using Comparator and Comparable interfaces
  • Develop thread-safe code, using different locking mechanisms and java.util.concurrent API
  • Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams

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

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Oracle 1Z0-819日本語 Exam Syllabus Topics:

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

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

                                          Question #1

                                          与えられた条件:

                                          結果はどうなりましたか?

                                          • A. スイカオレンジレモンブドウアプリコットりんご
                                          • B. リンゴオレンジブドウレモンアプリコットスイカ
                                          • C. 何もない
                                          • D. リンゴアプリコットグレープレモンオレンジスイカ
                                          Reveal Solution  Discussion  0

                                          Correct Answer: A  🗳️

                                          Explanation: Only visible for VCE4Dumps members. You can sign-up / login (it's free).

                                          Question #2

                                          この要件を考慮すると、
                                          モジュール ビークルはモジュール パーツに依存し、その com.vehicle パッケージを他のすべてのモジュールで使用できるようにします。
                                          どの module-info.java 宣言が要件を満たしていますか?

                                          • A. オプションB
                                          • B. オプションC
                                          • C. オプションD
                                          • D. オプションA
                                          Reveal Solution  Discussion  0

                                          Correct Answer: D  🗳️

                                          Question #3

                                          与えられた条件:

                                          このコマンドで実行します:
                                          java メイン 1 2 3
                                          このクラスの出力は何ですか?

                                          • A. 何もない
                                          • B. コンパイルに失敗しました。
                                          • C. 1) 1つ
                                          • D. 1) 12) 23) 3
                                          • E. java.lang.ArrayIndexOutOfBoundsException がスローされます。
                                          Reveal Solution  Discussion  0

                                          Correct Answer: D  🗳️

                                          Question #4

                                          与えられた条件:

                                          このコマンドで実行します:
                                          java メイン 1 2 3
                                          結果はどうなりましたか?

                                          • A. 0). 11). 22). 3
                                          • B. 0)。1
                                          • C. java.lang.NullPointerException がスローされます。
                                          • D. 0). one1). two1). two... と印刷する無限ループを作成します。
                                          • E. コンパイルに失敗しました。
                                          Reveal Solution  Discussion  0

                                          Correct Answer: D  🗳️

                                          Question #5

                                          与えられた条件:

                                          出力は何ですか?
                                          A)

                                          B)

                                          C)

                                          D)

                                          • A. オプションB
                                          • B. オプションC
                                          • C. オプションD
                                          • D. オプションA
                                          Reveal Solution  Discussion  0

                                          Correct Answer: C  🗳️

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