"...write your own recursion printing routines." should be "...write your own recursive printing routines."

"So if you're needing values in Unicode 3.0 that..."
Should be:
"So if you're needing values in Unicode 4.0 that..."

Also, there are also two periods at the end of this sentence, remove one.

The text reads
"Of course, only the lowest 21 bits are used, as that's all that is needed; the upper 21 bits are zeroed out."
the end of the text should read

" the upper 11 bits are zeroed out."

Remove the first note in the margin says "Generics don't apply to primitive types".

Change "neither is these is" to "neither of these is"

Change "oridinal()" to "ordinal()"

Change:
student1.assignGrade(OldClass.EnglishList);
to:
student1.assignGrade(OldClass.EnglishLit);

Change "its also" to "it's also"

public void listGradeValues(PrintStream out) throws IOException {
Grade[] gradeValues = Grade.values();
for ( Grade g : Grade.values() ) {
out.println("Allowed value: '" + g + "'");
}
}

Should be::

public void listGradeValues(PrintStream out) throws IOException {
Grade[] gradeValues = Grade.values();
for (int i=0; i<gradeValues.length; i++) {
out.println("Allowed value: '" + gradeValues[i] + "'");
}
}

Change "Prior to Java 1.4" to "Prior to Tiger"

Change
"The argument to switch must be an enumerated value"
to
"The argument to switch can be an enumerated value"

Change:
//Varags version
to:
//Varargs version

Change:
EnumSet allFeatures = EnumSet.allOf(GuitarFeatures);
to:
EnumSet allFeatures = EnumSet.allOf(GuitarFeatures.class);

Change
"complentOf() is also a handy method"
to
"complementOf() is also a handy method"

Change "the the" to "the three".

The last sentence ends in two full stops (periods). So change "able to find.." to
"able to find."

Paragraph reads:
The problem here is that now this method won't take Strings, ints ....
Should read
The problem here is that now this method won't take ints ...

WRONG: "... see its a..."
RIGHT: "... see it's a..."

Change:
out.printf("Description of object array: %s
", obj);
to:
out.printf("Description of object array: %s
", objectArray);

...you want the entire object array, obj, treated as a single object,...
should be:
...you want the entire object array, objectArray, treated as a single object,...

out.printf("Description of object array: %s
", new Object[] { obj });
should be:
out.printf("Description of object array: %s
", new Object[] { objectArray });

out.printf("Description of object array: %s
", (Object)obj);
should be:
out.printf("Description of object array: %s
", (Object)objectArray);

WRONG: "... for a compiler, and JavadocJavadoc, which..."
RIGHT: "... for a compiler, and Javadoc, which...

for(Object word : wordList) {
System.out.print((String)word + " ");
}

does not need the type cast. It should be:

for(Object word : wordList) {
System.out.print(word + " ");
}

The constructor assigns a new GuitarManufacturerList<String>() to the private field,
but my compiler (Eclipse with Sun JDK 1.5_03) reports "The type
GuitarManufacturerList is not generic; it cannot be parameterized with arguments
<String>.

By leaving off the parameter, it works fine.

"TextFileIterator" use 2 different fonts

GuitarManufacturerList is not a generic type, hence <String> is wrong.

The sample code available for download is correct, though.

WRONG: "Now, add you can create..."
RIGHT: "Now, you can create..."

the conversion symbol of last item should be %tz, all lowercase

...should want for locks...
should be:
...should wait for locks...

The paragraph starting with "So what happens..." on page 155 is repeated.

Delete the first occurrence of the paragraph starting "So what happens..." on page 155
through the paragraph ending "... You'd do well to use one of these yourself." on
page 156.

The second occurrence of the paragrah is the entire section named "Executing Tasks Without an
ExecutorService" which spans page 160-161, and it is correct.

a left brace without right one

typo: syncrhonized