Download Java SE 8 Programmer.1z0-808.PracticeTest.2018-10-10.83q.vcex

Vendor: Oracle
Exam Code: 1z0-808
Exam Name: Java SE 8 Programmer
Date: Oct 10, 2018
File Size: 6 MB
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Demo Questions

Question 1
Given the code fragment:
  
Which two modifications should you make so that the code compiles successfully? (Choose two.)  
Correct answer: AC
Question 2
Given the following two classes:
  
How should you write methods in the ElectricAccount class at line n1 so that the member variable bill is always 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) must contribute to the customer's bill (represented by the member variable bill) through the method use Electricity method. An instance of the customer class should never be able to tamper with or decrease the value of the member variable bill.  
Correct answer: B
Question 3
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 4
Given:
  
And given the code fragment:
Book book1 = new EBook (); 
Book1.readBook(); 
Which option enables the code to compile? 
Correct answer: D
Question 5
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 6
Given:
  
Which code fragment should you use at line n1 to instantiate the dvd object successfully? 
Correct answer: C
Question 7
Given the code fragment:
  
Which option can replace xxx to enable the code to print 135?
  1.   
  2.   
  3.   
  4.   
Correct answer: B
Question 8
Which statement best describes encapsulation?
  1. Encapsulation ensures that classes can be designed so that only certain fields and methods of an object are accessible from other objects.
  2. Encapsulation ensures that classes can be designed so that their methods are inheritable.
  3. Encapsulation ensures that classes can be designed with some fields and methods declared as abstract.
  4. Encapsulation ensures that classes can be designed so that if a method has an argument MyType x, any subclass of MyType can be passed to that method.
Correct answer: A
Question 9
Given the code fragment from three files:
  
Which code fragment, when inserted at line 2, enables the code to compile? 
Correct answer: E
Question 10
Given the following class:
  
And given the following main method, located in another class:
  
Which three lines, when inserted independently at line n1, cause the program to print a 0 balance? (Choose three.)
  1. this.amount = 0;
  2. amount = 0;
  3. acct (0);
  4. acct.amount = 0;
  5. acct. getAmount () = 0;
  6. acct.changeAmount(0);
  7. acct.changeAmount(-acct.amount);
  8. acct.changeAmount(-acct.getAmount());
Correct answer: ACD
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