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1Z0-816 Exam Questions & Answers

Exam Code: 1Z0-816

Exam Name: Java SE 11 Programmer II

Updated: Nov 12, 2024

Q&As: 80

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Practice These Free Questions and Answers to Pass the Oracle Java Exam

Questions 1

Given:

and

Which code fragment on line 1 makes the s1 set contain the names of all employees born before January 1, 1989?

A. Option A

B. Option B

C. Option C

D. Option D

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Questions 2

Given: String originalPath = "data\\projects\\a-project\\..\\..\\another-project"; Path path = Paths.get(originalPath); System.out.print(path.normalize());

What is the result?

A. data\another-project

B. data\projects\a-project\another-project

C. data\\projects\\a-project\\..\\..\\another-project

D. data\projects\a-project\..\..\another-project

Show Answer
Questions 3

Given:

Which three actions implement Java SE security guidelines? (Choose three.)

A. Change line 7 to return names.clone();.

B. Change line 4 to this.names = names.clone();.

C. Change the getNames() method name to get$Names().

D. Change line 6 to public synchronized String[] getNames() {.

E. Change line 2 to private final String[] names;.

F. Change line 3 to private Secret(String[] names) {.

G. Change line 2 to protected volatile String[] names;.

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Questions 4

Given:

Which is true about line 1?

A. If the value is not present, a NoSuchElementException is thrown at run time.

B. It always executes the System.out::print statement.

C. If the value is not present, a NullPointerException is thrown at run time.

D. If the value is not present, nothing is done.

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Questions 5

Which two safely validate inputs? (Choose two.)

A. Delegate numeric range checking of values to the database.

B. Accept only valid characters and input values.

C. Use trusted domain-specific libraries to validate inputs.

D. Assume inputs have already been validated.

E. Modify the input values, as needed, to pass validation.

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