Errata for Functional Programming for Java Developers
Submit your own errata for this product.
The errata list is a list of errors and their corrections that were found after the product was released. If the error was corrected in a later version or reprint the date of the correction will be displayed in the column titled "Date Corrected".
The following errata were submitted by our customers and approved as valid errors by the author or editor.
Color Key: Serious Technical Mistake Minor Technical Mistake Language or formatting error Typo Question Note Update
| Version |
Location |
Description |
Submitted By |
Date Submitted |
Date Corrected |
| PDF |
Page xi
2nd to last paragraph |
Conal Elliott's name is misspelled.
|
Dean Wampler
 |
Jul 31, 2011 |
|
| Printed |
Page ix
2nd paragraph from below |
code page doesnt exist
Note from the Author or Editor:
I'll investigate. |
Anonymous |
Jul 31, 2011 |
|
| Printed |
Page ix
Getting the Code Examples |
The URL for the examples as printed uses the tech book ISBN instead of the IP ISBN. The code example URL should be http://examples.oreilly.com/0636920021667/. (The URL as printed should redirect to the correct URL, btw)
|
Shawn Wallace |
Aug 05, 2011 |
|
| Printed, PDF, ePub |
Page 8
3rd paragraph |
The statement
"You might recall the famous Pythagorean equation from school, which relates the lengths of the sides of a triangle: x^2 + y^2 = z^2"
is a little bit vague. I miss the word "right": The mathematical formula is only valid for *right* triangles.
http://en.wikipedia.org/wiki/Pythagorean_theorem
Note from the Author or Editor:
Yes, the word "right" should be in the statement. |
k2lp5p |
Aug 06, 2012 |
|
| Printed, PDF, ePub |
Page 27
2nd paragraph |
Text reads "Calling new is a form a strong coupling..."; it should read "Calling new is a form of strong coupling...".
Note from the Author or Editor:
Yes, the word "a" should be "of". |
Anonymous |
Nov 07, 2011 |
|
| Safari Books Online |
32
7th paragraph |
"Since addition is associative, the answer is the same in both cases." - The answer is the same because addition is commutative, that is because x + y = y + x.
Note from the Author or Editor:
It's actually because addition is both associative and commutative. Some associative, but non-commutative operations would also give the same answer for foldl and foldr. An example is string concatenation, as long as no additional strings, like delimiters, are added.Conversely, commutative, but non-associative operations don't yield the same results for fold and foldr. (http://list.cs.brown.edu/pipermail/cs273/2009q4/000007.html provides a thorough explanation.)
To clarify the wording, I would change "associative" to "associative and commutative" and add a footnote that the general case is more complex. |
ilya.klyuchnikov |
Jul 29, 2011 |
|
| Safari Books Online |
34
Last paragraph |
The text reads "multiple each of those by 2" where it should read "multiply each of those by 2" (incorrect letter at the end of the first word).
Note from the Author or Editor:
Yes, it should say "multiply" |
Olivier Dagenais |
Jul 27, 2011 |
|
| Safari Books Online |
37
Figure 3.2 |
The left branch of "Value 2" should point to "a3", as the text describes, not "a1" as illustrated, since that's the same thing as "Value 1".
Note from the Author or Editor:
Dang. My original figure was redrawn and this error was introduced. Yes, it should point to a3. Thanks for pointing out the error. |
Olivier Dagenais |
Jul 27, 2011 |
|
| Safari Books Online |
46
Figure 4.2 |
The left branch of "Value 2" should point to "a3", as the text describes, not "a1" as illustrated, since that's the same thing as "Value 1".
Note from the Author or Editor:
Dang. My original figure was redrawn and this error was introduced. Yes, it should point to a3. Thanks for pointing out the error. |
Olivier Dagenais |
Jul 27, 2011 |
|
| Safari Books Online |
68
1st paragraph |
<<Eager evaluation is sometimes called “call by name.” >> should be change to
<<Eager evaluation is sometimes called “call by value.”>>
Note from the Author or Editor:
Correct. |
ilya.klyuchnikov |
Jul 29, 2011 |
|
| Safari Books Online |
71
String reduction |
Strict reduction /definition/
"A concept similar to lazy evaluation" should be changed to "A concept similar to eager evaluation,"
Note from the Author or Editor:
Damn mistake to make. Yes, it should say "A concept similar to eager evaluation". |
ilya.klyuchnikov |
Jul 29, 2011 |
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