Online 1Z0-808 Practice Test

Question 1

Given the code fragment:

What is the result?

Options :

A : Compilation fails

B : The program compiles, but it prints nothing.

C : HiHowAreYou removed

D : An UnsupportedOperationException is thrown at runtime

Answer: C

Question 2

Which of the following method is declared in Predicate interface?

Options :

A : boolean check(T t);

B : boolean verify(T t);

C : boolean validate(T t);

D : boolean test(T t);

Answer: D

Question 3

Range of short data type is from -32768 to 32767

Which of the following code segments, written inside main method will compile successfully?

Select 3 options.

Options :

A : short s2 = 32768;

B : final int i3 = 10;

short s3 = i3;

C : int i7 = 10;

short s7 = i7;

D : final int i5 = 10;

short s5 = i5 + 100;

E : short s1 = 10;

F : final int i4 = 40000;

short s4 = i4;

G : final int m = 25000;

final int n = 25000;

short s6 = m + n;

Answer: B,D

Question 4

Given the code fragments:

And:

Which statement is true?

Options :

A : After line 11, three objects are eligible for garbage collection.

B : After line 11, two objects are eligible for garbage collection.

C : After line 11, one object is eligible for garbage collection.

D : After line 11, none of the objects are eligible for garbage collection.

Answer: C

Question 5

Given:

And the code fragment:

Which code fragment, when inserted at line 14, enables the code to print Mike Found?

Options :

A :

B :

C :

D :

Answer: A

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