Online 1Z0-819 Practice Test

Question 1

Given:

2021-04-27-22-23-17-3d4ddcb379cef75d65c8f83ed91c42db

executed with this command:

java Main one two three

What is the output of this class?

Options :

A : The compilation fails.

B : one2) two3) three

C : A java.lang.ArrayIndexOutOfBoundsException is thrown.

D : one

E : nothing

Answer: B

Question 2

Given:

Which two independent changes will make the Main class compile? (Choose two.)

Options :

A : Move the entire Student class declaration to a separate Java file, Student.java.

B : Change line 2 to public Student(String classname).

C : Change line 1 to public class Student {.

D : Change line 3 to Student student = new Student(''Biology'');.

E : Change line 1 to static class Student {.

Answer: B,D

Question 3

Which is a proper JDBC URL?

Options :

A : jdbe.mysql.com://localhost:3306/database

B : http://localhost.mysql.com:3306/database

C : http://localhost

mysql.jdbc:3306/database

D : jdbc:mysql://localhost:3306/database

Answer: D

Question 4

Which two commands are used to identify class and module dependencies? (Choose two.)

Options :

A : jmod describe

B : java Hello.java

C : jdeps --list-deps

D : jar --show-module-resolution

E : java --show-module-resolution

Answer: A,C

Question 5

Which statement about access modifiers is correct?

Options :

A : An instance variable can be declared with the static modifier.

B : A local variable can be declared with the final modifier.

C : An abstract method can be declared with the private modifier.

D : An inner class cannot be declared with the public modifier.

E : An interface can be declared with the protected modifier.

Answer: B

EXPERTY DESIGNED 1Z0-819 PRACTICE TEST