1z0-808 practice test

1. Question 1 · 1

   Given: What is the result?

   Choose one answer.

   

   • 200.0 : 100.0
   • 400.0 : 200.0
   • 400.0 : 100.0
   • Compilation fails.

2. Question 2 · 1

   Given the code fragment: What is the result?

   Choose one answer.

   

   • Match 1
   • Match 2
   • No Match
   • A NullPointerException is thrown at runtime.

3. Question 3 · 1

   Given: What is the result?

   Choose one answer.

   

   • Compilation fails at line n3 and line n4.
   • Compilation fails at line n1 and line n2.
   • Welcome Visit Count:1 Welcome Visit Count: 1
   • Welcome Visit Count:1 Welcome Visit Count: 2

4. Question 4 · 1

   Given the code fragment: What is the result?

   Choose one answer.

   

   • Compilation fails at both line n1 and line n2.
   • Compilation fails only at line n2.
   • Compilation fails only at line n1.
   • Jesse 25 Walter 52

5. Question 5 · 1

   Given the code fragment: What is the result?

   Choose one answer.

   

   • 5 : 5
   • 10 : 10
   • 5 : 10
   • Compilation fails.

6. Question 6 · 1

   Given the code fragment: What is the result?

   Choose one answer.

   

   • A NullPointerException is thrown at runtime.
   • [1, 2, 4]
   • [1, 2, 4, null]
   • [1, 3, 4, null]
   • [1, 3, 4]
   • Compilation fails.

7. Question 7 · 1

   Given: What is the result?

   Choose one answer.

   

   • 10 20 30 40
   • 0 0 30 40
   • Compilation fails.
   • An exception is thrown at runtime.

8. Question 8 · 1

   Which two code fragments cause a compilation error? (Choose two.)

   Choose all answers that apply.

   • float flt = 100.00F;
   • float flt = (float) 1_11.00;
   • Float flt = 100.00;
   • double y1 = 203.22; float flt = y1;
   • int y2 = 100; float flt = (float) y2 ;

9. Question 9 · 1

   Which three statements are true about exception handling? (Choose three.)

   Choose all answers that apply.

   • Only unchecked exceptions can be rethrown.
   • All subclasses of the RuntimeException class are not recoverable.
   • The parameter in a catch block is of Throwable type.
   • All subclasses of the RuntimeException class must be caught or declared to be thrown.
   • All subclasses of the RuntimeException class are unchecked exceptions.
   • All subclasses of the Error class are not recoverable.

10. Question 10 · 1

    Given the code fragment: What is the result?

    Choose one answer.

    

    • An exception is thrown at runtime.
    • -1
    • 5
    • 10

11. Question 11 · 1

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

    Choose one answer.

    

    

    • Option A
    • Option B
    • Option C
    • Option D

12. Question 12 · 1

    Given: What is the result?

    Choose one answer.

    

    • false, false
    • false, true
    • true, false
    • true, true

13. Question 13 · 1

    Which two statements are true? (Choose two.)

    Choose all answers that apply.

    • Error class is unextendable.
    • Error class is extendable.
    • Error is a RuntimeException.
    • Error is an Exception.
    • Error is a Throwable.

14. Question 14 · 1

    Given the code fragment: What is the result?

    Choose one answer.

    

    • Compilation fails.
    • 0 Found
    • 1 Found
    • 3 Found

15. Question 15 · 1

    Given the code fragment: What is the result?

    Choose one answer.

    

    • An exception is thrown at runtime.
    • 07-31-2014
    • 2014-07-31
    • 2014-09-30

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