Best 1Z0-819 Exam Dumps for the Preparation of Latest 1Z0-819 Exam Questions [Q54-Q75]

Share

Best 1Z0-819 Exam Dumps for the Preparation of Latest 1Z0-819 Exam Questions

Download Latest & Valid Questions For Oracle 1Z0-819 exam

NEW QUESTION # 54
What is the result?

  • A. An ArrayIndexOutOfBoundsException is thrown at runtime.
  • B. 0
  • C. 1
  • D. 2
  • E. 3

Answer: B


NEW QUESTION # 55
Given:

What is the result?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: B

Explanation:


NEW QUESTION # 56
Given:

What is the result?

  • A. NullPointerException is thrown at line 4.
  • B. A compilation error occurs.
  • C. NullPointerException is thrown at line 10.
  • D. Hello

Answer: D

Explanation:


NEW QUESTION # 57
Which statement about a functional interface is true?

  • A. It cannot have any private methods and static methods.
  • B. It is declared with a single default method.
  • C. It is declared with a single abstract method.
  • D. It must be annotated with @FunctionalInterface.
  • E. It must be defined with the public access modifier.

Answer: C


NEW QUESTION # 58
Given:
List<String> list1 = new ArrayList<>();
list1.add("A");
list1.add("B");
List list2 = List.copyOf(list1);
list2.add("C");
List<List<String>> list3 = List.of(list1, list2);
System.out.println(list3);
What is the result?

  • A. [[A, B, C], [A, B, C]]
  • B. [[A, B], [A, B, C]]
  • C. An exception is thrown at run time.
  • D. [[A, B],[A, B]]

Answer: C

Explanation:


NEW QUESTION # 59
Given the code fragment:

What is the result?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: A

Explanation:


NEW QUESTION # 60
Given:

What is the result?

  • A. 6910 3
  • B. 10126 3
  • C. 0
  • D. 6104 3

Answer: D

Explanation:


NEW QUESTION # 61
Given:

Which two method implementations are correct, when inserted independently in line 1? (Choose two.)

  • A. Option A
  • B. Option E
  • C. Option B
  • D. Option D
  • E. Option C

Answer: A,B


NEW QUESTION # 62
Given:
var data = new ArrayList<>();
data.add("Peter");
data.add(30);
data.add("Market Road");
data.set(1, 25);
data.remove(2);
data.set(3, 1000L);
System.out.print(data);
What is the output?

  • A. [Peter, 25, null, 1000]
  • B. [Peter, 30, Market Road]
  • C. An exception is thrown at run time.
  • D. [Market Road, 1000]

Answer: C

Explanation:


NEW QUESTION # 63
Given:

and

and

What is the result?

  • A. A java.lang.IllegalAccessExceptionis thrown.
  • B. The program prints Process()called 2.
  • C. The compilation fails.
  • D. A java.lang.NoSuchMethodExceptionis thrown.
  • E. The program prints Process()called 1.

Answer: C


NEW QUESTION # 64
Given:

Which two are correct? (Choose two.)

  • A. Option D
  • B. Option C
  • C. Option A
  • D. Option B

Answer: A,B


NEW QUESTION # 65
Which describes a characteristic of setting up the Java development environment?

  • A. The Java development environment is set up for all operating systems by default.
  • B. Setting up the Java development environment requires that you also install the JRE.
  • C. Setting up the Java development environment occurs when you install an IDE before the JDK.
  • D. You set up the Java development environment for a specific operating system when you install the JDK.

Answer: C


NEW QUESTION # 66
There is a copyServiceAPI that has the org.copyservice. spi. Copy interface To use this service in a module, which module- info.java would be correct?
A)

B)

C)

D)

  • A. Option C
  • B. Option A
  • C. Option B
  • D. Option D

Answer: A


NEW QUESTION # 67
Given:

Assume the file on path does not exist. What is the result?

  • A. The compilation fails.
  • B. Exception
  • C. /u01/work/filestore.txt is deleted.
  • D. /u01/work/filestore.txt is not deleted.

Answer: A

Explanation:


NEW QUESTION # 68
Given:

You want to implement the java. Io, serializable interface to the MypersisteneData class.
Which method should be overriden?

  • A. The readExternal method
  • B. The writeExternal method
  • C. The readExternal and writeExternal method
  • D. nothing

Answer: C


NEW QUESTION # 69
Given the code fragment:

What is the result?

  • A.
  • B.
  • C.
  • D.

Answer: A


NEW QUESTION # 70
Given:

What is the result?

  • A. The compilation fails due to an error in line 1.
  • B. The compilation fails due to an error in line 5.
  • C. The compilation fails due to an error in line 2.
  • D. The compilation fails due to an error in line 3.
  • E. The compilation fails due to an error in line 4.
  • F. 0
  • G. 1

Answer: F


NEW QUESTION # 71
Given:

What is the result?

  • A. 0
  • B. 1
  • C. It fails to compile.
  • D. nothing
  • E. A java.lang.IllegalArgumentException is thrown.

Answer: C

Explanation:


NEW QUESTION # 72
Your organization makes mlib.jar available to your cloud customers. While working on a code cleanup project for mlib.jar, you see this method by customers:

What security measures should be added to this method so that it meets the requirements for a customer accessible method?

  • A. Enclose the call to new Socket In an AccessController.doPrivileged block.
  • B.
  • C. Make enableService private.
  • D. Create a method that validates the hostName and portNumber parameters before opening the socket.

Answer: A


NEW QUESTION # 73
Given:

What is the result?

  • A. The compilation fails at line 9.
  • B. Hello World
  • C. The compilation fails at line 2.
  • D. The compilation fails at line 8.

Answer: B

Explanation:


NEW QUESTION # 74
Given the code fragment:

What is the result?

  • A. 1 3 5 7 9 11
  • B. 2 4 6 8
  • C. 2 4 6 B 10
  • D. 13 5 7 9

Answer: A


NEW QUESTION # 75
......


Oracle 1z1-819 is a certification exam for Java SE 11 Developers. 1Z0-819 exam is designed to test developers' understanding and proficiency of the Java programming language. 1Z0-819 exam covers topics such as Java syntax, object-oriented programming, concurrency, and exception handling.

 

Exam Materials for You to Prepare & Pass 1Z0-819 Exam: https://www.freecram.com/Oracle-certification/1Z0-819-exam-dumps.html

Ensure Success With Updated Verified 1Z0-819 Exam Dumps: https://drive.google.com/open?id=14yGozeXLmWuGRGA1AK8-jWjhJDE5CHRQ

0
0
0
10