[2024年07月12日] 最新1z1-808試験問題集には高得点で一発合格
無料提供中1z1-808ブレーン問題集と1z1-808リアル試験問題
1Z1-808試験は、JavaプログラミングのバックボーンであるJVMの基本、データ型、構文、クラス、およびインターフェイスをテストすることに重点を置いています。この試験はまた、Java 8に焦点を当てており、Java 8で導入されたラムダ式、関数インターフェイス、ストリームなどの新機能を知っている必要があります。
Oracle 1z0-808(Java SE 8 Programmer I)認定試験は、Java プログラミング言語の知識と理解を証明したいプロフェッショナルにとって非常に重要な認定試験です。この認定試験は、プログラミングの概念に基本的な理解を持ち、オブジェクト指向プログラミング言語の経験を持つ個人を対象としています。
Oracle 1z0-808認定は、グローバルに認められ、IT業界の雇用主から高く評価されています。この認定は、Java開発者として働くために必要なスキルと知識を持っていることを証明し、より良い仕事の機会や高い給与を得ることができます。この試験に合格することで、Javaアーキテクトやソフトウェア開発マネージャーなどの新しいキャリアパスを開くこともできます。
質問 # 238
Given:
What is the result?
- A. 400.0 : 200.0
- B. Compilation fails.
- C. 200.0 : 100.0
- D. 400.0 : 100.0
正解:D
質問 # 239
Which three statements are true about exception handling? (Choose three.)
- A. The parameter in a catch block is of Throwable type.
- B. All subclasses of the RuntimeException class are recoverable.
- C. All subclasses of the Exception class except the RuntimeException class are checked exceptions.
- D. All subclasses of the RuntimeException class must be caught or declared to be thrown.
- E. All subclasses of the Error class are checked exceptions and are recoverable.
- F. Only unchecked exceptions can be rethrown.
正解:A、C、E
質問 # 240
Given:
And given the code fragment:
What is the result?
- A. Compilation fails at line n1.
- B. Compilation fails at line n3.
- C. Compilation fails at line n2.
- D. Read Book
- E. Read E-Book
正解:B
質問 # 241
Given the code fragment:
What is the result?
- A. [Robb, Bran, Rick, Bran]
- B. An exception is thrown at runtime.
- C. [Robb, Rick]
- D. [Robb, Rick, Bran]
正解:D
質問 # 242
Given:
interface Pet { }
class Dog implements Pet { }
public class Beagle extends Dog{ }
Which three are valid?
- A. Dog f = new Pet();
- B. Pet a = new Dog();
- C. Dog d = new Beagle();
- D. Beagle c = new Dog();
- E. Pet e = new Beagle();
- F. Pet b = new Pet();
正解:B、C、E
解説:
Incorrect:
Not B, not C: Pet is abstact, cannot be instantiated.
Not F: incompatible type. Required Beagle, found Dog.
質問 # 243
Which two are valid declarations of a two-dimensional array?
- A. int[] array2D[];
- B. int[2][2] array2D;
- C. int array2D[];
- D. int[][] array2D[];
- E. int[][] array2D;
正解:A、E
解説:
int[][] array2D; is the standard convention to declare a 2-dimensional integer array.
int[] array2D[]; works as well, but it is not recommended.
Incorrect answers:
int[2][2] array2D;
The size of the array cannot be defined this way.
int array2D[]; is good definition of a one-dimensional array.
int[] []array2D[];is good definition of a three-dimensional array.
質問 # 244
Given:
And given the commands:
javac Test.Java
Java Test Hello
What is the result?
- A. Compilation fails.
- B. Failure
- C. Anexception is thrown at runtime
- D. Success
正解:B
質問 # 245
Given the code fragment:
What is the result?
- A. Hi removed
- B. An UnsupportedOperationException is thrown at runtime.
- C. The program compiles, but it prints nothing.
- D. Compilation fails.
正解:D
解説:
Explanation
質問 # 246
Given the code fragment:
Which two modifications, made independently, enable the code to compile?
- A. Make the method at line n3 public.
- B. Make the method at line n3 protected.
- C. Make the method at line n1 public.
- D. Make the method at line n2 public.
- E. Make the method at line n4 public.
正解:A、D
質問 # 247
Given the code fragment:
What is the result?
- A. Compilation fails
- B. A Work done
- C. A B C D Work done
- D. A B C Work done
正解:C
解説:
質問 # 248
Given:
What is the result?
- A. a,eo, o
- B. a, ei, o
- C. e, eo, o
- D. e, ei, o
正解:A
質問 # 249
Given the code fragment:
What is the result?
- A. Compilation fails.
- B. 0
- C. 1
- D. 2
正解:D
質問 # 250
Given the code fragment:
What is the result?
- A. An exception is thrown at runtime.
- B. 5/4/14T00:00:00.000
- C. 2014-05-04T00:00: 00. 000
- D. May 04, 2014T00:00:00.000
正解:A
質問 # 251
Given:
How many MarkList instances are created in memory at runtime?
- A. 0
- B. 1
- C. 2
- D. 3
正解:B
質問 # 252
Given the code fragments:
What is the result?
- A. RTool::export
Tool::export - B. Compilation fails only at line n1.
- C. Compilation fails at both line n1 and line n2.
- D. Tool::export
Tool:export - E. Compilation fails only at line n2.
正解:C
質問 # 253
Given the code fragment:
Which three lines fail to compile?
- A. Line 7
- B. Line 9
- C. Line 12
- D. Line 11
- E. Line 8
- F. Line 10
正解:F
質問 # 254
Given:
What is the result?
- A. Compilation fails
- B. True false
- C. A NullPointerException is thrown at runtime
- D. True null
正解:B
質問 # 255
Given the code fragment:
What is the result?
- A. [green, red, cyan, yellow]
- B. An IndexOutOfBoundsException is thrown at runtime.
- C. [green, blue, yellow, cyan]
- D. [green, red, yellow, cyan]
正解:B
質問 # 256
Given the code fragment:
Which option represents the state of the num array after successful completion of the outer loop?
- A.

- B.

- C.

- D.

正解:A
質問 # 257
Given the code fragment:
What could expression1 and expression2 be, respectively, in order to produce output ?, 16?
- A. + +a, b- -
- B. A + +, b - -
- C. + +a, - -b
- D. A+ +, - - b
正解:A
質問 # 258
Given:
Acc.java:
Which statement is true?
- A. Both p and s are accessible by obj.
- B. Both r and s are accessible by obj.
- C. Only s is accessible by obj.
- D. p, r, and s are accessible by obj.
正解:C
質問 # 259
Given the code fragment:
What is the result?
- A. Compilation fails
- B. A Work done
- C. A B C Work done
- D. A B C D Work done
正解:B
質問 # 260
Given:
What is the result?
- A. 10 : 22 : 6
- B. 10 : 22 : 20
- C. 10 : 30 : 6
- D. 10 : 22 : 22
正解:D
質問 # 261
Given:
What is the result?
- A. a, eo, o
- B. a, ei, i
- C. e, ei, i
- D. a, ao, o
正解:B
質問 # 262
Given this code for a Planetobject:
What is the output?
- A.

- B.

- C.

- D.

- E.

正解:C
質問 # 263
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