1Z0-815 Online Practice Questions and Answers

Given:

executed using this command: java Myclass My Car is red What is the output of this class?

A. Car--red--My

B. My--Car--is

C. My--is--java

D. java--Myclass--My

E. Myclass--Car--red

Which describes a characteristic of setting up the Java development environment?

A. Setting up the Java development environment requires that you also install the JRE.

B. The Java development environment is set up for all operating systems by default.

C. You set up the Java development environment for a specific operating system when you install the JDK.

D. Setting up the Java development environment occurs when you install an IDE before the JDK.

Given: What is the output?

A. I am an object array

B. The compilation fails due to an error in line 1.

C. I am an array

D. I am an object

Given: What is the result?

A. The compilation fails.

B. 1.99,2.99,0

C. 1.99,2.99,0.0

D. 1.99,2.99

Given: What is the result?

A. 2134

B. 2143

C. 214

D. 234

Given:

What is the type of the local variable x?

A. Character

B. char C. String[ ]

D. String

Given: What is known about the Sportscar class?

A. The Sportscar class is a subclass of Automobile and inherits its methods.

B. The Sportscar subclass cannot override setTurbo method from the superclass Automobile.

C. The Sportscar class is a superclass that has more functionality than the Automobile class.

D. The Sportscar class inherits the setTurbo method from the superclass Automobile.

Given:

Why does D cause a compilation error?

A. D inherits a() only from C.

B. D inherits a() from B and C but the return types are incompatible.

C. D extends more than one interface.

D. D does not define any method.

Given:

What is the type of x?

A. char

B. List

C. String

D. List

Given:

Which three are correct? (Choose three.)

A. b1.foo(li) prints Hello world!

B. f1.foo(li) prints Bonjour le monde!

C. f1.foo(li) prints Hello world!

D. f1.foo(li) prints Hola Mundo!

E. b1.foo(li) prints Bonjour le monde!

F. f2.foo(li) prints Hola Mundo!

G. f2.foo(li) prints Bonjour le monde!

H. b1.foo(li) prints Hola Mundo!

I. f2.foo(li) prints Hello world!