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[General] Practice 1z1-809 Questions, Exam 1z1-809 Preparation

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【General】 Practice 1z1-809 Questions, Exam 1z1-809 Preparation

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Oracle 1z1-809: Java SE 8 Programmer II is a certification exam that tests the candidate's knowledge and skills related to Java programming language. 1z1-809 exam is designed for candidates who have already passed the Oracle 1z1-808 exam and have a good understanding of the Java programming language. 1z1-809 Exam covers a wide range of topics, including Java class design, advanced Java concepts, exception handling, and concurrency.
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Oracle Java SE 8 Programmer II Sample Questions (Q43-Q48):NEW QUESTION # 43
Given the code fragment:

What is the result?
  • A. 0
  • B. A compilation error occurs at line n1.
  • C. A compilation error occurs at line n2.
  • D. 1
Answer: A

NEW QUESTION # 44
Given the code fragment:

Which statement is true?
  • A. After line 11, none of the objects are eligible for garbage collection.
  • B. After line 11, one object is eligible for garbage collection.
  • C. After line 11, two object are eligible for garbage collection.
  • D. After line 11, three objects are eligible for garbage collection.
Answer: B

NEW QUESTION # 45
Given the code fragment:

What is the result?
  • A. A compilation error occurs at line n1.
  • B. A compilation error occurs at line n2.
  • C. Checking...
    Checking...
  • D. Checking...
Answer: C

NEW QUESTION # 46
Which statement is true about java.util.stream.Stream?
  • A. Streams are intended to modify the source data.
  • B. A parallel stream is always faster than an equivalent sequential stream.
  • C. The execution mode of streams can be changed during processing.
  • D. A stream cannot be consumed more than once.
Answer: C

NEW QUESTION # 47
Given the code fragments:

and

What is the result?
  • A. Run...
    Call...
  • B. A compilation error occurs at line n2.
  • C. The program prints Run... and throws an exception.
  • D. A compilation error occurs at line n1.
Answer: D

NEW QUESTION # 48
......
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