1Z0-808 practice questions 81–90

1. Question 81 · 200 in bank

   Given the code fragment:

   

   Which action enables it to print AB?

   • AComment lines 18 to 21.
   • BComment line 20.
   • CComment line 19.
   • DComment line 16.

   Show answer

   Answer: C

   Explanation

   Answer is C. List lst = Arrays.asList("A","B", "C","D" ); Iterator itr = lst.iterator(); while(itr.hasNext()) { String e=itr.next(); if (e=="C") { break; } else { // continue; System.out.println(e); } } // AB

   Source: Adapted from community discussion — UAK94

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2. Question 82 · 200 in bank

   Given the definitions of the Bird class and the Peacock class:

   

   and the code fragment:

   

   Which code snippet can be inserted to print Fly.Dance. ?

   • ABird p = new Peacock();
   • BBird b = new Bird(); Peacock p = (Peacock) b;
   • CPeacock b = new Peacock (); Bird p = (Bird) b;
   • DBird b = new Peacock (); Peacock p = (Peacock) b;

   Show answer

   Answer: D

   Explanation

   Tested. Answer is D. To test: class Bird { public void fly() { System.out.print("Fly."); } } class Peacock extends Bird { public void dance() { System.out.print("Dance."); } } public class Test { public static void main(String[] args) { Bird b = new Peacock (); Peacock p = (Peacock) b; p.fly(); p.dance(); } }

   Source: Adapted from community discussion — carloswork

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3. Question 83 · 200 in bank

   Given the code fragment:

   

   Which code fragment inserted at line 10 print ****? A.

   

   B.

   

   C.

   

   D.

   

   E.

   

   This is an interactive task on the real exam — a drag-and-drop, hotspot or ordering question. There is nothing to select here, so the answer is shown below for reference.

   Show the answer figure

   Answer: See figure below

   Explanation

   Answer is A and E. To test: public static void main(String[] args) { int x; /* insert code here */ /* Option A - Ok */ /* x = 3; do { System.out.print("*"); x--; } while (x >= 0); */ /* Option B - It does not enter the loop. */ /* x = 0; do { System.out.print("*"); x++; } while (x >= 3); */ /* Option C - It does not enter the loop. */ /* x = 0; do { System.out.print("*"); ++x; } while (x > 3); */ /* Option D - I only printed two asterisks */ /* x = 3; do { System.out.print("*"); x--; } while (x != 1); */ /* Option E - Ok / /* x=0; do { System.out.print("*"); }while(x++ < 3); */ }

   Source: Adapted from community discussion — carloswork

   

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4. Question 84 · 200 in bank

   Given the code fragment:

   

   What is the result?

   • A11
   • B10
   • C12
   • DA compile time error occurs.

   Show answer

   Answer: C

   Explanation

   Answer is C. To test: public static void main(String[] args) { int x = 10; int y = ++x; int z = 0; if(y >= 10 | y <= ++x) { z = x; } else { z = x++; } System.out.println(z); }

   Source: Adapted from community discussion — carloswork

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5. Question 85 · 200 in bank

   Given the code fragment:

   

   What is the result?

   • A2 : 7 : 3
   • B7 : 7 : 9
   • C2 : 7 : 0
   • D7 : 2 : 3

   Show answer

   Answer: D

   

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6. Question 86 · 200 in bank

   Given:

   

   Which action fixes the compiler error?

   • AAt line 17, add throws AccessViolationException
   • BAt line 13, add throws LogFileException
   • CAt line 2, replace throws LogFileException with throws AccessViolationException
   • DAt line 7, insert throw new LogFileException ();

   Show answer

   Answer: B

   Explanation

   Answer is B Tested: public class App { public static void main(String[] args) { App obj = new App(); try { obj.open(); obj.process(); throw new LogFileException(); } catch (Exception e) { // TODO: handle exception } } void process() throws LogFileException{ System.out.println("Processed"); throw new LogFileException(); } void open() { System.out.println("Opened"); throw new AccessViolationException(); } } class LogFileException extends Exception {} class AccessViolationException extends RuntimeException {}

   Source: Adapted from community discussion — shivkumarx

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7. Question 87 · 200 in bank

   Given the code fragment:

   

   What is the result?

   • A1 2 3 0 0 1 2 3 0 0
   • BAn Exception is thrown at run time.
   • C1 2 3 0 0 1 2 3
   • D1 2 3 1 2 3

   Show answer

   Answer: D

   Explanation

   The answer is the letter D and there's not much to point out, when you reference an array that you had already instantiated along with arguments to another after the declaration, the variable starts to point to the other one, so it prints 1 2 3 1 2 3

   Source: Adapted from community discussion — iSnover

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8. Question 88 · 200 in bank

   Examine:

   

   Which statement is true?

   • AThe program prints m1.Accessed.
   • BThe program fails compile due to the unhandled E1 exception.
   • CThe program prints m2.Accessed.
   • DThe program fails to compile due to the unhandled E2 exception.

   Show answer

   Answer: B

   

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9. Question 89 · 200 in bank

   Given the code fragment:

   

   What is the result?

   • AIt results in a compile time error at line 18.
   • BIt results in a compile time error at line 9.
   • CIt prints : 1
   • DIt results in a compile time error at lines at lines 12 and 15.

   Show answer

   Answer: A

   

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10. Question 90 · 200 in bank

    Select 2

    Which two array initialization statements are valid? (Choose two.)

    • Aint array[] = new int[3] {1, 2, 3};
    • Bint array[] = new int[3]; array[0] = 1; array[1] = 2; array[2] = 3;
    • Cint array[3] = new int[] {1, 2, 3};
    • Dint array[] = new int[3]; array = {1, 2, 3};
    • Eint array[] = new int[] {1,2,3};

    Show answer

    Answer: BE

    Explanation

    Reference: https://stackoverflow.com/questions/1200621/how-do-i-declare-and-initialize-an-array-in-java

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1Z0-808 practice, question 81. 200 questions available.