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Oracle 1z0-819 Exam Actual Questions

The questions for 1z0-819 were last updated on May 12, 2024.

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Viewing questions 1-5 out of 213 questions

Topic 1 - Exam A

Question #1 Topic 1

Given:

What is the result?

A. 2-4
B. 0-6
1-5
2-4
C. 1-5
D. 1-5
2-4
E. The compilation fails due to an error in line 1.
F. 0-6
G. 0-6
2-4

Reveal Solution Discussion 12

Correct Answer: C 🗳️

Question #2 Topic 1

Given:

What is the result?

A. 5 4 3 2 1
B. 5
C. nothing
D. 5 4 3 2 1 4 3 2 1 3 2 1 2 1 1

Reveal Solution Discussion 20

Correct Answer: C 🗳️

Question #3 Topic 1

Given:

and

Which two method definitions at line n1 in the Bar class compile? (Choose two.)

A. public List<Number> foo(Set<String> m) {...}
B. public List<Integer> foo(Set<CharSequence> m) {...}
C. public List<Integer> foo(TreeSet<String> m) {...}
D. public List<Object> foo(Set<CharSequence> m) {...}
E. public ArrayList<Integer> foo(Set<String> m) {...}
F. public ArrayList<Number> foo(Set<CharSequence> m) {...}

Reveal Solution Discussion 11

Correct Answer: CF 🗳️

Question #4 Topic 1

Given:

What is the result?

A. 5
B. 4
C. 3
D. An exception is thrown at runtime

Reveal Solution Discussion 14

Correct Answer: B 🗳️

Question #5 Topic 1

Given the code fragment:

What is the result?

A. 0 8 10
B. 0
C. The code prints nothing.
D. 0 4 9
E. 0 8

Reveal Solution Discussion 8

Correct Answer: E 🗳️