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Oracle Java SE 8 Programmer II Sample Questions (Q43-Q48):

NEW QUESTION # 43
Given the code fragment:

What is the result?

A. Compilation fails only at line n2.
B. Compilation fails only at line n1.
C. Jesse 25
Walter 52
D. Compilation fails at both line n1 and line n2.

Answer: D

NEW QUESTION # 44
Given:
public class Canvas implements Drawable {
public void draw () { }
}
public abstract class Board extends Canvas { }
public class Paper extends Canvas {
protected void draw (int color) { }
}
public class Frame extends Canvas implements Drawable {
public void resize () { }
}
public interface Drawable {
public abstract void draw ();
}
Which statement is true?

A. All classes compile successfully.
B. Boarddoes not compile.
C. Framedoes not compile.
D. Drawabledoes not compile.
E. Paperdoes not compile.

Answer: E

NEW QUESTION # 45
Given the code fragment:
Path source = Paths.get ("/data/december/log.txt");
Path destination = Paths.get("/data");
Files.copy (source, destination);
and assuming that the file /data/december/log.txt is accessible and contains:
10-Dec-2014 - Executed successfully
What is the result?

A. The program executes successfully and does NOT change the file system.
B. A file with the name log.txt is created in the /data directory and the content of the /data/december/ log.txt file is copied to it.
C. A FileNotFoundException is thrown at run time.
D. A FileAlreadyExistsException is thrown at run time.

Answer: D

NEW QUESTION # 46
Given:

and the code fragment:

What is the result?

A. A compilation error occurs.
B. [Java EE: Helen:Houston]
[Java ME: Jessy:Chicago, Java ME: Mark:Chicago]
C. Java EE
Java ME
D. [Java ME: Jessy:Chicago, Java ME: Mark:Chicago]
[Java EE: Helen:Houston]

Answer: A

Explanation:
Explanation/Reference:
Explanation:

NEW QUESTION # 47
Which two statements are true for a two-dimensional array of primitive data type?

A. All methods of the class object may be invoked on the two-dimensional array.
B. It cannot contain elements of different types.
C. At the declaration time, the number of elements of the array in each dimension must be specified.
D. The length of each dimension must be the same.

Answer: A,C

Explanation:
http://stackoverflow.com/questions/12806739/is-an-array-a-primitive-type-oran-object-or-something-else-entirely

NEW QUESTION # 48
......

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Oracle 1z0-809 Books PDF & 1z0-809 Best Practice

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Oracle Java SE 8 Programmer II Sample Questions (Q43-Q48):

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