1z1-815 by Oracle Actual Free Exam Q&As

Question 1

Given:

What is the result?

A. nothing B. It fails to compile. C. java.lang.IllegalAccessException is thrown. D. null E. Student

Discussion 0

Correct Answer: B Vote an answer

Question 2

Given:

What must be added in line 1 to compile this class?

A. catch(FileNotFoundException | IOException e) { } B. catch(FileNotFoundException | IndexOutOfBoundsException e) { } C. catch(FileNotFoundException e) { }
catch(IndexOutOfBoundsException e) { } D. catch(IOException e) { } E. catch(IndexOutOfBoundsException e) { }
catch(FileNotFoundException e) { }

Discussion 0

Correct Answer: A Vote an answer

Question 3

Given:

Which two statements are true if the method is added to Bar? (Choose two.)

A. public <T> Collection<T> bar(Collection<T> arg) { ... } overloads Foo.foo. B. public <T> Collection<T> foo(Collection<T> arg) { ... } overloads Foo.foo. C. public <T> Iterable<T> foo(Collection<T> arg) { ... } overrides Foo.foo. D. public <T> List<T> foo(Collection<T> arg) { ... } overrides Foo.foo. E. public <T> Collection<T> foo(Stream<T> arg) { ... } overloads Foo.foo. F. public Collection<String> foo(Collection<String> arg) { ... } overrides Foo.foo.

Discussion 0

Correct Answer: C,D Vote an answer

Question 4

Given:

If file "App.config" is not found, what is the result?

A. nothing B. The compilation fails. C. Exception in thread "main" java.lang.Error:
Fatal Error: Configuration File, App.config, is missing. D. Configuration is OK

Discussion 0

Correct Answer: B Vote an answer

Explanation: Only visible for PassTestking members. You can sign-up / login (it's free).

Question 5

Given:

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

A. B cannot be final. B. B cannot be abstract. C. B is a subtype of A. D. A cannot be final. E. A cannot be abstract. F. A is a subtype of B.

Discussion 0

Correct Answer: B,D,F Vote an answer

Question 6

Which two are Java Exception classes?

A. TooManyArgumentsException B. DuplicatePathException C. SercurityException D. IllegalArgumentException

Discussion 0

Correct Answer: C,D Vote an answer

Question 7

What is the name of the Java concept that uses access modifiers to protect variables and hide them within a class?

A. Polymorphism B. Inheritance C. Instantiation D. Abstraction E. Encapsulation

Discussion 0

Correct Answer: E Vote an answer

Explanation: Only visible for PassTestking members. You can sign-up / login (it's free).

Question 8

Given:

Which two lines inserted in line 1 will allow this code to compile? (Choose two.)

A. void walk(){} B. private void walk(){} C. abstract void walk(); D. public abstract void walk(); E. protected void walk(){}

Discussion 0

Correct Answer: A,E Vote an answer

Question 9

Given:

What is the result?

A. NullPointerException is thrown at line 4. B. NullPointerException is thrown at line 10. C. A compilation error occurs. D. Hello

Discussion 0

Correct Answer: D Vote an answer

Explanation: Only visible for PassTestking members. You can sign-up / login (it's free).

Question 10

Given:

What is the result?

A. 5 12 B. 0 5 C. 6 13 D. compilation error

Discussion 0

Correct Answer: D Vote an answer

Explanation: Only visible for PassTestking members. You can sign-up / login (it's free).

Oracle Java SE 11 Programmer I - 1z1-815 Exam Practice Test