[2023年10月最新リリース] 合格できる1z0-811試験にはリアル問題とアンサー
合格できる1z0-811レビューガイド、頼もしい1z0-811テストエンジン
Oracle 1Z1-811認証試験は、Javaプログラミングで知識とスキルを実証したい個人向けに設計されています。この試験は、専門家が専門知識を検証し、Java開発の分野でキャリアを促進する優れた方法です。 Javaの構文とデータ型、制御フロー構成、オブジェクト指向のプログラミング概念など、幅広いトピックをカバーしています。
Oracle 1Z1-811認証試験は、Java開発者の知識とスキルをテストするために設計された一般的な試験です。この試験は、Javaプログラミングの基本的な理解を実証したい候補者を対象としています。この試験に合格した候補者は、Oracle Certified Associate（OCA）Java SE 8プログラマー認定を取得します。この試験では、Java構文、オブジェクト指向プログラミングの概念、および基本的なJava APIに関する候補者の知識をテストします。
試験は、70問の多肢選択問題で構成され、105分以内に解答する必要があります。問題は、Java プログラミングの概念を理解し、実世界のシナリオに適用する能力を試験するように設計されています。この試験は、英語、日本語、簡体字中国語を含む複数の言語で利用可能です。
質問 # 12
Given:
What is the result?
- A. A compilation error occurs.
- B. 0
- C. 1
- D. 2
正解：A
質問 # 13
Which two statements are true about the Java Runtime Environment (JRE)?
- A. You must install the JRE to compile a .java file.
- B. It interprets bytecode stored in a .class file.
- C. It is platform independent.
- D. It contains the JDK and Java APIs.
- E. It is responsible for garbage collection.
正解：B、C
質問 # 14
What does import java.io* mean?
- A. All classes whose names start with io are imported.
- B. Only the io class is imported.
- C. All classes in the io package and the subpackages of io packages, if any, are imported.
- D. All classes in the io package are imported.
正解：C
質問 # 15
Given:
What is the result?
- A. [ : ]
- B. [:null]
- C. [null:null]
- D. [null:-]
正解：D
質問 # 16
Identify three features of the Java programming language.
- A. dynamically typed
- B. distributed
- C. strongly typed
- D. multithreaded
- E. direct memory management
正解：A、B、D
質問 # 17
Given the code fragment:
What is the result?
- A. 0
- B. 1
- C. 2
- D. 3
正解：D
質問 # 18
Given the code fragment:
What is the result?
- A. false
true - B. A runtime exception is thrown
- C. true
true - D. false
false
正解：C
質問 # 19
Given:
What is the result?
- A. Nothing is printed.
- B. 0
- C. Compilation fails. To make it compile, replace line n1 with var1 = 0;
- D. Compilation fails. To make it compile, replace line n2 with var2 = 0;
正解：D
質問 # 20
Which statement is true about a Java method?
- A. It must accept a parameter and return a value.
- B. It cannot be defined within another method.
- C. It cannot be defined as static final.
- D. It must be declared with an access modifier.
正解：B
質問 # 21
Given the code fragment:
What is the result?
- A. 25.67
- B. 25.00
- C. 25.7
- D. 0
正解：A
質問 # 22
Given the code fragment:
What is the result?
- A. Selected Chocolate flavor.
- B. An ArrayIndexOutofBoundsException is thrown at run time.
- C. Selected Chocolate flavor.
- D. Selected null flavor.
正解：B
質問 # 23
Given the code fragment:
What is the result?
- A. [jasmine, rose, lotus, lily]
- B. A runtime exception is thrown.
- C. [jasmine, rose, lily]
- D. [jasmine, lily, lotus]
正解：B
質問 # 24
Given the code fragment:
Which statement, when inserted at line n1, enables the code to print 0 2 4 6 8 10?
- A. count =+ 2;
- B. count = count++;
- C. count = (count++) +1;
- D. count += 2;
正解：D
質問 # 25
Which method identifier is correct according to Java naming conventions?
- A. calculatebill
- B. calculateBill
- C. Calculator
- D. BillCalculator
正解：C
質問 # 26
Given the code fragment:
At which line does a compilation error occur?
- A. line 7
- B. line 5
- C. lines 6 and 8
- D. lines 5 and 7
正解：B
質問 # 27
Given the code fragment:
What is the result?
- A. 10, 15
[10, 15] - B. 0, 10, 15
[10, 15, null] - C. a memory address in hexadecimal number format
[10, 15] - D. a memory address1 in hexadecimal number format
a memory address2 in hexadecimal number format
正解：C
質問 # 28
Given:
Which statement is true about the main method?
- A. It cannot be defined in a non-public class.
- B. It can be a non-static method.
- C. Its parameter can be of type Integer [].
- D. It cannot be invoked by its name.
正解：D
質問 # 29
Given the code fragment:
What is the result?
- A. Jack
- B. The program prints either Jack or Queen.
- C. A compilation error occurs at line n1.
- D. Queen
正解：C
質問 # 30
What is the meaning of "write once, run anywhere" in Java?
- A. Java programs can run on any Java Virtual Machine without being recompiled.
- B. It is a marketing statement because Java programs must be compiled for a specific platform in order to run.
- C. Java programs are designed to run only in web browsers and, thus, can run wherever there is a browser.
- D. Java programs, after being compiled, can run on any platform or device even without a Java Virtual Machine.
正解：A
質問 # 31
Given the code fragment:
What is the result?
- A. 0 : 1
- B. 3 : 1
- C. 3 : 2
- D. 2 : 0
正解：C
質問 # 32
Given the code fragment:
What is the result?
- A. false
true - B. true
true - C. false
false - D. true
false
正解：B
質問 # 33
Which two Java reserved words are used to implement encapsulation?
- A. extends
- B. final
- C. private
- D. static
- E. public
正解：C、E
質問 # 34
Given:
What is the result?
- A. 100
200 - B. 100
100 - C. A compilation error occurs at line n1.
- D. A compilation error occurs at line n2.
正解：B
質問 # 35
Given:
What is the result?
- A. An error occurs during compilation.
- B. The program compiles and nothing is printed.
- C. Iteration plus an increasing number is printed 99 times.
- D. Iteration plus an increasing number is printed 100 times.
正解：A
質問 # 36
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