Core Java
Bug Report Page
13th Edition Volume 1
- Section 1.2
- Change the URL for the white paper from https://www.oracle.com/technetwork/java/langenv-140151.html to https://www.oracle.com/java/technologies/language-environment.html
- Section 3.3.4
- Change “an integer ranging from 0 to hexadecimal 10FFF” to “an integer ranging from 0 to hexadecimal 10FFFF”
- Section 3.6.9
- Change
builder.append(country.charAt(0) - 'A' + REGIONAL_INDICATOR_SYMBOL_LETTER_A);
builder.append(country.charAt(1) - 'A' + REGIONAL_INDICATOR_SYMBOL_LETTER_A);
to
builder.appendCodePoint(country.charAt(0) - 'A' + REGIONAL_INDICATOR_SYMBOL_LETTER_A);
builder.appendCodePoint(country.charAt(1) - 'A' + REGIONAL_INDICATOR_SYMBOL_LETTER_A);
- Section 4.6.1
- Change “For example, the
String class has four public methods called indexOf ” to “For example, the String class has six public methods called indexOf. ”
- Section 5.1.7
- Change
public class Executive to public class Executive extends Manager
- Section 5.9.2, 5.9.4
- Change
exec.getTitle().getLength() to exec.getTitle().length()
- Section 6.2.5
- In Table 6.1, change
Integer.valueOf and Integer.sum to Integer::valueOf and Integer::sum
- Section 6.3.6
- Change
Sting name to String name in the second note.
- Section 6.3.6
- Remove “In fact,” from the first note.
- Section 8.8.5
- Changes “machtes” to “matches”
- Section 9.3.5
- Change the API note for the
pollFirst and pollLast methods of java.util.Deque<E> from “remove and return the element before the first or after the last element of this deque” to “remove and return the first or last element of this deque”
- Section 10.5 Preview Note
- Extent locals → Scoped values
- Section 10.5.2
- Change “few seconds or many hours or” to “few seconds or many hours”
- Section 10.5.14
- Change
String DATEFORMAT = dateFormat.format(new Date());
to
String dateStamp = DATEFORMAT.format(new Date());
- Section 10.6.1
- Change “tries for 100 milliseconds” to “tries for up to 100 milliseconds” (2×)
- Section 11.2
- For example, the JUnit Test annotation → For example, the JUnit
RepeatedTest annotation
- Section 11.5.1
- by calling the one of the methods → by calling one of the methods
13th Edition Volume 2
- Section 1.11
- Change
Map<String, Integer> stateToCityPopulation = cities.collect(
groupingBy(City::state, averagingInt(City::population)));
to
Map<String, Double> stateToCityPopulation = cities.collect(
groupingBy(City::state, averagingInt(City::population)));
- Section 11.1
- Change “(see Figure 9.2)” to “(See Figure 11.1)”, “Figure 9.3 shows the interactions among model, view, and controller objects.” to “Figure 11.3 shows the interactions among model, view, and controller objects.”
- Section 11.2.3
- Change “The calculator program in Figure 9.4” to “The calculator program in Figure 11.10”
- Section 11.4.1
- Change “Figure 9.5 shows a simple program” to “Figure 11.12 shows a simple program”
- Section 11.4.2
- Change “Figure 9.6 shows a typical example” to “Figure 11.13 shows a typical example” and change “If you look again at Figure 9.5, you will note that the appearance of the radio buttons is different from that of checkboxes in Figure 9.6” to “If you look again at Figure 11.13, you will note that the appearance of the radio buttons is different from that of checkboxes in Figure 11.12”
- Section 11.4.4
- Change “(see Figure 9.7)” to “(see Figure 11.15)”
- Section 12.7.5
- Change
AttributeSet attributes = job.getAttributes();
var copies = (Copies) attribute.get(Copies.class);
to AttributeSet attributes = job.getAttributes();
var copies = (Copies) attributes.get(Copies.class);
Credits
Thanks to Mike Bannan, Tish Brush, Elia Colombo, Michel (Mike) Gerard Rainville, Badri Srivatsa, Winston Tsai, Qilin Yao, Xiutao Zang, Andrey Zhuchkov and (your name might go here) for their bug reports!
Prior Edition Errata
Bug Report Form
If you have found another bug in the book or in our code that is not mentioned in this bug list or the Core Java FAQ , then please send a report. Unfortunately, I cannot reply personally to each report, but I do read all your comments.
