oracle 1z0-808 practice test

Question 1

Given the code fragment:

What is the result?
A. It results in a compile time error at line 18.
B. It results in a compile time error at line 9.
C. It prints : 1
D. It results in a compile time error at lines at lines 12 and 15.

Question 2

Examine:

Which statement is true?

• A. The program prints m1.Accessed.
• B. The program fails compile due to the unhandled E1 exception.
• C. The program prints m2.Accessed.
• D. The program fails to compile due to the unhandled E2 exception.

Question 3

Given the code fragment:

What is the result?

• A. 1 2 3 0 01 2 3 0 0
• B. An Exception is thrown at run time.
• C. 1 2 3 0 01 2 3
• D. 1 2 31 2 3

Question 4

Given:

Which action fixes the compiler error?

• A. At line 17, add throws AccessViolationException
• B. At line 13, add throws LogFileException
• C. At line 2, replace throws LogFileException with throws AccessViolationException
• D. At line 7, insert throw new LogFileException ();

Question 5

Given the code fragment:

What is the result?

• A. 2 : 7 : 3
• B. 7 : 7 : 9
• C. 2 : 7 : 0
• D. 7 : 2 : 3

Question 6

Given the code fragment:

What is the result?

• A. 11
• B. 10
• C. 12
• D. A compile time error occurs.

Question 7

Given the code fragment:

Which two code fragments inserted at line 10 print ****?

• A. Option A
• B. Option B
• C. Option C
• D. Option D
• E. Option E

Question 8

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. ?

• A. Bird p = new Peacock();
• B. Bird b = new Bird();Peacock p = (Peacock) b;
• C. Peacock b = new Peacock ();Bird p = (Bird) b;
• D. Bird b = new Peacock ();Peacock p = (Peacock) b;

Question 9

Given the code fragment:

Which action enables it to print AB?

• A. Comment lines 18 to 21.
• B. Comment line 20.
• C. Comment line 19.
• D. Comment line 16.

Question 10

Given the code fragment:

What is the result?
A. Sum is 600
B. Compilation fails at line n1.
C. Compilation fails at line n2.
D. A ClassCastException is thrown at line n1.
E. A ClassCastException is thrown at line n2.

Question 11

Given the code fragment:

What is the result?

• A. 2012-02-10
• B. 2012-01-30
• C. 2012-02-10 00:00
• D. A DateTimeException is thrown at runtime.

Question 12

Given:

What is the result?

• A. Compilation fails.
• B. false true
• C. true false
• D. true true
• E. false false

Question 13

Given the definitions of the MyString class and the Test class:

What is the result?

• A. Option A
• B. Option B
• C. Option C
• D. Option D
• E. Option E

Question 14

Given:

What is the result?

• A. BaseDerivedA
• B. BaseDerivedB
• C. DerivedBDerivedB
• D. DerivedBDerivedA
• E. A ClassCastException is thrown at runtime.

Question 15

Given the code fragment:

What is the result?

• A. Answer = 0
• B. Invalid calculation
• C. Compilation fails only at line n1.
• D. Compilation fails only at line n2.
• E. Compilation fails at line n1 and line2.