Online 1Z0-819 Practice Test

Question 1

What is the result?

Options :

A : 9001: java.io.FileNotFoundException: MyFile.txt-MyFile.txt

B :

9001: APPLICATION ERROR-9001-MyFile.txt 9001: java.io.FileNotFoundException: MyFile.txt-MyFile.txt

C : 9001: APPLICATION ERROR-9001-MyFile.txt

D : Compilations fails at Line 1.

Answer: D

Question 2

Given:

Assuming that this code compiles correctly, which three statements are true? (Choose three.)

Options :

A : B cannot be abstract.

B :

B is a subtype of A.

C : A cannot be abstract.

D : A cannot be final.

E : B cannot be final.

F : A is a subtype of B.

Answer: A,B,D

Question 3

Given:

What is the result?

Options :

A : 2134

B : 234

C : 2341

D : 214

Answer: A

Question 4

Given:

What is the result?

Options :

A : A ClassCastException is thrown at runtime.

B : AnotherClass#methodA()AnotherClass#methodA()

C : The compilation fails.

D : SomeClass#methodA()AnotherClass#methodA()

E : AnotherClass#methodA()SomeClass#methodA()

F : SomeClass#methodA()SomeClass#methodA()

Answer: C

Question 5

Which three initialization statements are correct? (Choose three.)

Options :

A : int x = 12_34;

B : short sh = (short)'A';

C : String contact# = ''(+2) (999) (232)'';

D : boolean true = (4 == 4);

E : float x = 1.99;

F : int[][] e = {{1,1},{2,2}};

G : byte b = 10;char c = b;

Answer: A,B

EXPERTY DESIGNED 1Z0-819 PRACTICE TEST