Oracle 1z0-803 Exam Actual Questions

The questions for 1z0-803 were last updated on Nov. 30, 2024.

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Viewing questions 1-5 out of 216 questions

Topic 1 - Single Topic

Question #1 Topic 1

Given the code fragment:

What is the result?

A. 3 false 1
B. 2 true 3
C. 2 false 3
D. 3 true 1
E. 3 false 3
F. 2 true 1
G. 2 false 1

Correct Answer: D 🗳️
The length of the element with index 0, {0, 1, 2}, is 3. Output: 3
The element with index 1, {3, 4, 5, 6}, is of type array. Output: true
The element with index 0, {0, 1, 2} has the element with index 1: 1. Output: 1

Question #2 Topic 1

View the exhibit:

Given:

What is the result when this program is executed?

A. Bob's Name: Bob
B. Bob's Name: Jian
C. Nothing prints
D. Bob’s name

Reveal Solution Discussion

Correct Answer: B 🗳️
After the statement jian = bob; the jian will reference the same object as bob.

Question #3 Topic 1

Given the code fragment:

What is the result?

A. Valid
B. Not valid
C. Compilation fails
D. An IllegalArgumentException is thrown at run time

Reveal Solution Discussion

Correct Answer: C 🗳️
In segment 'if (valid)' valid must be of type boolean, but it is a string.
This makes the compilation fail.

Question #4 Topic 1

Given:

What is the result?

A. 6
B. 6
C. 6
D. 6

Reveal Solution Discussion 2

Correct Answer: A 🗳️
Within main z is assigned 6. z is printed. Output: 6
Within doStuff z is assigned 5.DoStuff2 locally sets z to 4 (but MyScope.z is set to 4), but in Dostuff z is still 5. z is printed. Output: 5
Again z is printed within main (with local z set to 6). Output: 6
Finally MyScope.z is printed. MyScope.z has been set to 4 within doStuff2(). Output: 4

Question #5 Topic 1

Which two are valid instantiations and initializations of a multi dimensional array?

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

Reveal Solution Discussion

Correct Answer: AD 🗳️