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Java SE 8 ProgrammerI
Version: Demo
[ Total Questions: 10]
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Oracle
1z0-808
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Oracle - 1z0-808Practice Test
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A.
B.
C.
D.
Question #:1
Given:
What is the result?
200.0 : 100.0
400.0 : 200.0
400.0 : 100.0
Compilation fails.
Answer: C
Question #:2
Given the code fragment:
What is the result if the integer aVar is 9?
Oracle - 1z0-808Practice Test
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A.
B.
C.
D.
A.
B.
C.
D.
10 Hello World!
Hello Universe!
Hello World!
Compilation fails.
Answer: A
Question #:3
Given the code fragment:
What is the result?
May 04, 2014T00:00:00.000
2014-05-04T00:00: 00. 000
5/4/14T00:00:00.000
An exception is thrown at runtime.
Answer: D
Question #:4
Given the code fragment:
Oracle - 1z0-808Practice Test
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A.
B.
C.
D.
E.
A.
B.
C.
D.
E.
What is the result?
Sum is 600
Compilation fails at line n1.
Compilation fails at line n2.
A ClassCastException is thrown at line n1.
A ClassCastException is thrown at line n2.
Answer: C
Question #:5
What is the name of the Java concept that uses access modifiers to protect variables and hide them within aclass?
Encapsulation
Inheritance
Abstraction
Instantiation
Polymorphism
Answer: A
Explanation
Using the private modifier is the main way that an object encapsulates itself and hide data from the outsideworld.
References:
Question #:6
Given the code fragment:
Oracle - 1z0-808Practice Test
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A.
B.
C.
D.
E.
Which two modifications, made independently, enable the code to compile?
Make the method at line n1 public.
Make the method at line n2 public.
Make the method at line n3 public.
Make the method at line n3 protected.
Make the method at line n4 public.
Answer: C D
Question #:7
Given:
Oracle - 1z0-808Practice Test
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A.
B.
C.
D.
E.
And given the code fragment:
What is the result?
4W 100 Auto4W 150 Manual
Null 0 Auto4W 150 Manual
Compilation fails only at line n1
Compilation fails only at line n2
Compilation fails at both line n1 and line n2
Answer: C
Question #:8
fragment:
Oracle - 1z0-808Practice Test
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A.
B.
C.
D.
E.
Which two modifications should you make so that the code compiles successfully?
Option A
Option B
Option C
Option D
Option E
Answer: A C
Question #:9
Given the following two classes:
Oracle - 1z0-808Practice Test
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How should you write methods in the ElectricAccount class at line n1 so that the member variable bill isalways equal to the value of the member variable kwh multiplied by the member variable rate?
Any amount of electricity used by a customer (represented by an instance of the customer class) mustcontribute to the customer's bill (represented by the member variable bill) through the method use Electricitymethod. An instance of the customer class should never be able to tamper with or decrease the value of themember variable bill.
Oracle - 1z0-808Practice Test
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A.
B.
C.
D.
Option A
Option B
Option C
Option D
Answer: A C
Question #:10
Given the code fragment:
Oracle - 1z0-808Practice Test
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A.
B.
C.
D.
What is the result?
Match 1
Match 2
No Match
A NullPointerException is thrown at runtime.
Answer: B
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