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Oracle Certification
1Z0-819 Exam
Oracle.1Z0-819.v2022-04-28.q136 Practice Test
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Question
26
Which two are functional interfaces? (Choose two.)
A.
Option C
B.
Option E
C.
Option B
D.
Option D
E.
Option A
Correct Answer:
A,B
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Question
27
Given:
What is the result?
A.
6910 3
B.
10126 3
C.
3
D.
6104 3
Correct Answer:
D
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Question
28
What makes Java dynamic?
A.
The Java compiler preprocesses classes to run on specific target platforms.
B.
At runtime, classes are loaded as needed, and new code modules can be loaded on demand.
C.
The Java compiler uses reflection to test if class methods are supported by resources of a target platform.
D.
The runtime can process machine language sources as well as executables from different language compilers.
Correct Answer:
B
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Question
29
Given:
Which is true?
A.
The compilation fails due to an error in line 9.
B.
The compilation fails due to an error in line 6.
C.
The compilation fails due to an error in line 2.
D.
The compilation succeeds.
E.
The compilation fails due to an error in line 10.
F.
The compilation fails due to an error in line 4.
G.
The compilation fails due to an error in line 7.
Correct Answer:
B
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Question
30
Given:
What is the output?
A.
:APPLE:ORANGE:BANANA
appleorangebanana
B.
:APPLE:ORANGE:BANANA
C.
APPLE:apple ORANGE:orange BANANA:banana
D.
appleorangebanana
:APPLE:ORANGE:BANANA
E.
apple:APPLE orange:ORANGE banana:BANANA
Correct Answer:
E
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