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692 Students Passed

96% Average Score

97% Same Questions
Viewing page 5 out of 7 pages
Viewing questions 41-50 out of questions
Questions # 41:

Given the code fragment:

Question # 41

What is the result?

Options:

A.

A NullPointerException is thrown at runtime.

B.

[1, 2, 4]

C.

[1, 2, 4, null]

D.

[1, 3, 4, null]

E.

[1, 3, 4]

F.

Compilation fails.

Questions # 42:

Given:

Question # 42

What is the result?

Options:

A.

true

B.

false

C.

-1

D.

0

Questions # 43:

Given:

Question # 43

What is the result?

Options:

A.

C B A

B.

C

C.

A B C

D.

Compilation fails at line n1 and line n2

Questions # 44:

Given this segment of code:

Question # 44

Which two statements, if either were true, would make the code compile? (Choose two.)

Options:

A.

MotorCycle is an interface that implements the Cycle class.

B.

Cycle is an interface that is implemented by the MotorCycle class.

C.

Cycle is an abstract superclass of MotorCycle.

D.

Cycle and MotorCycle both extend the Transportation superclass.

E.

Cycle and MotorCycle both implement the Transportation interface.

F.

MotorCycle is a superclass of Cycle.

Questions # 45:

You are developing a banking module. You have developed a class named ccMask that has a maskcc method.

Given the code fragment:

Question # 45

You must ensure that the maskcc method returns a string that hides all digits of the credit card number except the four last digits (and the hyphens that separate each group of four digits).

Which two code fragments should you use at line n1, independently, to achieve this requirement? (Choose two.)

Question # 45

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Questions # 46:

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

Options:

A.

Encapsulation

B.

Inheritance

C.

Abstraction

D.

Instantiation

E.

Polymorphism

Questions # 47:

Given the code fragment:

Question # 47

What is the result?

Options:

A.

EN FR JP

B.

EN FR

C.

CH

D.

EN FR CH

Questions # 48:

Given:

Question # 48

and the code fragment:

Question # 48

What is the result?

Options:

A.

AC

B.

BD

C.

BC

D.

AD

Questions # 49:

Given the code fragment:

Question # 49

and the requirements of the application:

    It must display the menu.

    It must print the option selected.

    It must continue its execution till it reads ‘0’.

Which code fragment can be used to meet the requirements?

Question # 49

Options:

A.

Option A

B.

Option B

C.

Option C

D.

OptionD

Questions # 50:

Given the definitions of the Bird class and the Peacock class:

Question # 50

and the code fragment:

Question # 50

Which code snippet can be inserted to print Fly.Dance. ?

Options:

A.

Bird p = new Peacock();

B.

Bird b = new Bird();Peacock p = (Peacock) b;

C.

Peacock b = new Peacock ();Bird p = (Bird) b;

D.

Bird b = new Peacock ();Peacock p = (Peacock) b;

Viewing page 5 out of 7 pages
Viewing questions 41-50 out of questions
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