Download Upgrade to Java SE 8 OCP.Prepaway.1z0-813.2019-01-16.1e.30q.vcex


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Exam Upgrade to Java SE 8 OCP
Number 1z0-813
File Name Upgrade to Java SE 8 OCP.Prepaway.1z0-813.2019-01-16.1e.30q.vcex
Size 1.91 Mb
Posted January 16, 2019
Downloads 40



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Demo Questions

Question 1
Given the code fragment:

  

What is the result? 

  • A: invalid
  • B: An exception is thrown at runtime. 
  • C: NULL
  • D: Compilation fails. 
  • E: blank



Question 2
Given:

  

Which result is possible? 

  • A: Compilation fails.
  • B: L1 L2 L3
  • C: L2 L3
  • D: L1 L3 
  • E: L3



Question 3
Given the code fragment:

  

What is the result?

  • A: [x, x] 
    [x, x, x, x]
  • B: [x, x]
  • C: [x] 
    [x, x] 
    [x, x, x]
  • D: [x] 
    [x, x] 
    [x, x, x] 
    [x, x, x, x]



Question 4
In 2015. daylight saving time in New York, USA, begins on March 8th at 2:00 AM. As a result, 2:00 AM becomes 3:00 AM.
Given the code fragment:

  

Which is the result? 

  • A: 2:00 – difference: 1
  • B: 3:00 – difference: 2
  • C: 4:00 – difference: 3
  • D: 4:00 – difference: 2



Question 5
Given the code fragment:

  

What is the result?

  • A: A compilation error occurs.
  • B: An IllegalStateException is thrown at run time. 
    Tom, Hello
  • C: Joe, Hello 
    Tom,
  • D: Joe,



Question 6
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 7
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 8
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 9
Given the code fragment:

  

What is the result? 

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



Question 10
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.








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