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Java SE 8 Programmer I

Last Update 20 hours ago Total Questions : 224

The Java SE 8 Programmer I content is now fully updated, with all current exam questions added 20 hours ago. Deciding to include 1z0-808 practice exam questions in your study plan goes far beyond basic test preparation.

You'll find that our 1z0-808 exam questions frequently feature detailed scenarios and practical problem-solving exercises that directly mirror industry challenges. Engaging with these 1z0-808 sample sets allows you to effectively manage your time and pace yourself, giving you the ability to finish any Java SE 8 Programmer I practice test comfortably within the allotted time.

Question # 21

Given the code fragment:

Which code fragment, when inserted at line 9, enables the code to print true?

A.

String str2 = str1;

B.

String str2 = new String(str1);

C.

String str2 = sb1. toString();

D.

String str2 = " Duke " ;

Question # 22

Given the code fragment from three files:

Which code fragment, when inserted at line 2, enables the code to compile?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

E.

Option E

Question # 23

Given the code fragment:

What is the result?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question # 24

Given the code fragment:

Which two modifications enable the code to compile?

A.

Make the method at line 8 protected.

B.

Make the method at line 8 public.

C.

Make the method at line 10 protected.

D.

Make the method at line 4 public.

E.

Make the method at line 2 public.

Question # 25

Given:

What is the result?

A.

double sum is 30.0 float sum is 30.0

B.

float sum is 30.0 double sum is 30.0

C.

Integer sum is 30 double sum is 30.0

D.

Integer sum is 30 float sum is 30.0

Question # 26

Given the code fragment:

What is the result?

A.

100

B.

101

C.

102

D.

103

E.

Compilation fails

Question # 27

Given the code fragment:

What is the result?

A.

Sum is 600

B.

Compilation fails at line n1.

C.

Compilation fails at line n2.

D.

A ClassCastException is thrown at line n1.

E.

A ClassCastException is thrown at line n2.

Question # 28

Given the code fragment:

What is the result?

A.

A B C Work done

B.

A B C D Work done

C.

A Work done

D.

Compilation fails

Question # 29

You are asked to develop a program for a shopping application, and you are given this information:

    The application must contain the classes Toy, EduToy, and ConsToy. The Toy class is the superclass of the other two classes.

    The int calculatePrice (Toy t) method calculates the price of a toy.

    The void printToy (Toy t) method prints the details of a toy.

Which definition of the Toy class adds a valid layer of abstraction to the class hierarchy?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question # 30

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

A.

Encapsulation

B.

Inheritance

C.

Abstraction

D.

Instantiation

E.

Polymorphism

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