Download Upgrade to Java SE 8 OCP.prep4sure.1z0-813.2018-09-05.1e.36q.vcex


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Exam Upgrade to Java SE 8 OCP
Number 1z0-813
File Name Upgrade to Java SE 8 OCP.prep4sure.1z0-813.2018-09-05.1e.36q.vcex
Size 2.48 Mb
Posted September 05, 2018
Downloads 51



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Demo Questions

Question 1
Given:

 
 
and the code fragment:

  

What is the result?

  • A: A compilation error occurs. 
  • B: 2000.0
  • C: 1500.0
  • D: 0.0



Question 2
Which two codes correctly represent a standard language locale code? (Choose two.)

  • A: u8
  • B: fr
  • C: es
  • D: U8
  • E: FR
  • F: ES



Question 3
Given the code fragment:

 
 
What is the result? 

  • A: Word: why what when
  • B: Words: why Word: Why what Word: why what when
  • C: Word: why Word: what Word: when
  • D: Compilation fails.



Question 4
Given the code fragment:

 
 
If exceptions occur when closing the FileWriter object and when retrieving the JString class object, which exception object is propagated up to the caller of the processFile method?

  • A: java.lang.Exception
  • B: java.io.IOException
  • C: java.lang.ClassNotFoundException
  • D: java.lang.NoSuchClassException



Question 5
Given:

  

What is the result when you compile the code and execute the command:
java MyApp kava 

  • A: kava
  • B: Kava
  • C: kawa
  • D: Kawa
  • E: An exception is thrown at runtime.



Question 6
Given the code fragment:

 
 
and 

 
 
Which code fragment could you see to refactor the code from line 4 to 8 to use a Lambda expression?

  • A: Vehicle v = new Vehicle(int speed) { System.out.print(“Fly at “ + speed); );
  • B: Vehicle v = int speed -> System.out.print(“Fly at “ + speed);
  • C: Vehicle v = (int speed) -> System.out.print(“Fly at “ + speed);
  • D: Vehicle v = speed -> {System.out.print(“Fly at “ + speed) };



Question 7
Given the code fragment:

 
 
What is the result? 

  • A: 0 0
  • B: 1 2
  • C: 1 4
  • D: A compilation error occurs



Question 8
Given the incomplete pseudo-code for a fork/join framework application:

 
 
And given the missing methods:
process, submit, and splitInHalf 
Which three insertions properly complete the pseudo-code? (Choose three.)

  • A: Insert process at line Z.
  • B: Insert process at line X.
  • C: Insert submit at line X.
  • D: Insert splitInHalf at line X.
  • E: Insert process at line Y.
  • F: Insert splitInHalf at line Y.
  • G: Insert submit at line Z.



Question 9
Given the code fragment:

 
 
Which code fragment, when inserted at line n1, enables the code to print the count of string elements whose length is greater than three?

  • A: listVal.stream().filter(x -> x.length() > 3).count()
  • B: listVal.stream().map(x -> x.length() > 3).count()
  • C: listVal.stream().peek(x -> x.length() > 3).count().get()
  • D: listVal.stream().filter(x -> x.length() > 3).mapToInt(x -> x).count()



Question 10
Given the code fragments:

 
 
and 

 
 
What is the result?

  • A: A compilation error occurs at line n2.
  • B: The program prints Run… and throws an exception. 
    Run…
  • C: Call…
  • D: A compilation errors occurs at line n1.








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