Download Oracle.1z0-808.Train4Sure.2019-06-14.89q.vcex

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File Info

Exam Java SE 8 Programmer
Number 1z0-808
File Name Oracle.1z0-808.Train4Sure.2019-06-14.89q.vcex
Size 6 MB
Posted Jun 14, 2019
Download Oracle.1z0-808.Train4Sure.2019-06-14.89q.vcex

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Demo Questions

Question 1

Given:
  
What is the result?


  1. 200.0 : 100.0
  2. 400.0 : 200.0
  3. 400.0 : 100.0
  4. Compilation fails.
Correct answer: C



Question 2

Given the code fragment:
  
What is the result? 


  1. May 04, 2014T00:00:00.000
  2. 2014-05-04T00:00: 00. 000
  3. 5/4/14T00:00:00.000
  4. An exception is thrown at runtime.
Correct answer: D



Question 3

Given the code fragment:
  
What is the result?


  1. Sum is 600
  2. Compilation fails at line n1.
  3. Compilation fails at line n2.
  4. A ClassCastException is thrown at line n1.
  5. A ClassCastException is thrown at line n2.
Correct answer: C



Question 4

What is the name of the Java concept that uses access modifiers to protect variables and hide them within a class?


  1. Encapsulation
  2. Inheritance
  3. Abstraction
  4. Instantiation
  5. Polymorphism
Correct answer: A
Explanation:
Using the private modifier is the main way that an object encapsulates itself and hide data from the outside world. Reference: http://www.tutorialspoint.com/java/java_access_modifiers.htm
Using the private modifier is the main way that an object encapsulates itself and hide data from the outside world. 
Reference: http://www.tutorialspoint.com/java/java_access_modifiers.htm



Question 5

Given the code fragment:
  
Which two modifications, made independently, enable the code to compile? (Choose two.)


  1. Make the method at line n1 public.
  2. Make the method at line n2 public.
  3. Make the method at line n3 public.
  4. Make the method at line n3 protected.
  5. Make the method at line n4 public.
Correct answer: CD



Question 6

Given:
  
And given the code fragment:
  
What is the result?


  1. 4W 100 Auto 
    4W 150 Manual
  2. Null 0 Auto 
    4W 150 Manual
  3. Compilation fails only at line n1
  4. Compilation fails only at line n2
  5. Compilation fails at both line n1 and line n2
Correct answer: C



Question 7

Given the code fragment:
  
What is the result?


  1. Match 1
  2. Match 2
  3. No Match
  4. A NullPointerException is thrown at runtime.
Correct answer: B



Question 8

Given:
  
And given the code fragment:
Book book1 = new EBook (); 
Book1.readBook(); 
Which option enables the code to compile? 
  


  1. Option A
  2. Option B
  3. Option C
  4. Option D
Correct answer: D



Question 9

Given:
  
What is the result?


  1. A B C D
  2. A C D
  3. A B C C
  4. A B D
  5. A B D C
Correct answer: C



Question 10

Given:
  
Which code fragment should you use at line n1 to instantiate the dvd object successfully? 
  


  1. Option A
  2. Option B
  3. Option C
  4. Option D
Correct answer: C









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