Oracle Java SE 8 Programmer I - 1z0-808 FREE EXAM DUMPS QUESTIONS & ANSWERS]

Question 1

Given:

Which statement is true?

A. Commenting line 16 enables the program to print:
Thank You! 500.0 B. Commenting line 13 enables the program to print:
Thank You! 500.0 C. The program executes and prints:
500.0 D. The program executes and prints:
Thank You! 500.0

Discussion 0

Correct Answer: A Vote an answer

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Question 2

Given the class definitrions:
class Shape { }
class Square extends Shape { }
Given the variable declarations:
Shape shape1 = null;
Square square1 = null;
Which four compile?

A. shape1 = new Square(); B. shape1 = new Shape();
square1 = shape1; C. square1 = (Square) new Shape(); D. shape1 = (Square) new Square(); E. square1 = new Square();
shape1 = square1; F. square1 = new Shape();

Discussion 0

Correct Answer: A,C,D,E Vote an answer

Question 3

Given the code fragment:

What is the result?

A. 102 B. Compilation fails C. 100 D. 103 E. 101

Discussion 0

Correct Answer: B Vote an answer

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Question 4

Given the code fragments:

What is the result?

A. RTool::export
Tool::export B. Compilation fails only at line n2. C. Compilation fails at both line n1 and line2. D. Tool::export
Tool::export E. Compilation fails only at line n1.

Discussion 0

Correct Answer: E Vote an answer

Question 5

Given:

Which code fragment should you use at line n1 to instantiate the dvd object successfully?

A. Option B B. Option A C. Option C D. Option D

Discussion 0

Correct Answer: C Vote an answer

Question 6

Which code fragment is illegal?

A. Option B B. Option A C. Option C D. Option D

Discussion 0

Correct Answer: D Vote an answer

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Question 7

Given:

A. Compilation fails B. Ym
Xm1 C. A ClassCastException is thrown at runtime D. Ym
Xm2

Discussion 0

Correct Answer: D Vote an answer

Question 8

Given the class definitions:
class C1 {}
class C2 extends C1 {}
class C3 extends C2 {}
and the code fragment:
16. C1 obj1 = (C1) new C2();
17. C2 obj2 = (C2) new C3();
18. C2 obj3 = (C2) new C1();
19. C3 obj4 = (C3) obj2;
Which line throws ClassCastException?

A. line 17 B. line 16 C. line 18 D. line 19

Discussion 0

Correct Answer: B Vote an answer

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Question 9

Given:
public class Test {
}
From which class does the Java compiler implicitly derive Test?

A. an anonymous class B. Object C. Class D. Objects

Discussion 0

Correct Answer: B Vote an answer

Question 10

Which two array initialization statements are valid? (Choose two.)

A. int array[] = new int[] {1,2,3}; B. int array[3] = new int[] {1, 2, 3}; C. int array[] = new int[3]; array = {1, 2, 3}; D. int array[] = new int[3]; array[0] = 1;
array[1] = 2;
array[2] = 3; E. int array[] = new int[3] {1, 2, 3};

Discussion 0

Correct Answer: A,D Vote an answer

Question 11

Given these classes:

and this mainmethod:

Which two options compile when placed at line n1of the mainmethod? (Choose two.)

A. director.stockOptions = 1_000; B. manager.stockOption = 500; C. manager.budget = 1_000_000; D. director.salary = 80_000; E. employee.budget = 200_000; F. employee.salary = 50_000;

Discussion 0

Correct Answer: D,F Vote an answer

Question 12

Examine the content of App.java:

Which is true?

A. import p1.App; is used to access the App class within the Test class. B. The App class is accessible within the Test class without an import statement. C. The App.class file is stored within the p1 folder. The Test.class file is stored within the p2 sub- folder of p1. D. It is optional to have the package statement as the first line of class definitions.

Discussion 0

Correct Answer: A Vote an answer

Question 13

Given:

Which three lines will compile and output "right on!"?

A. Line 5 B. Line 10 C. Line 9 D. Line 7 E. Line 6 F. Line 8

Discussion 0

Correct Answer: B,D,F Vote an answer

Question 14

Given the code fragment:

What is the result?

A. 2012-02-10 00:00 B. A DateTimeException is thrown at runtime. C. 2012-02-10 D. 2012-01-30

Discussion 0

Correct Answer: D Vote an answer

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