Errata

• Page 4, Java Details 1.1
  The statement should have out between System and println.
• Page 9, second bullet
  before and after a non-unary operator
• Page 10, Fig. 1.4
  The $ character is missing from the list of allowed characters for identifiers.
• Page 13, Line 7
  ... fetched to registers with the CPU.
• Page 22, Programming Tip 1.8
  Leave out We will see later that.
• Page 26, In More Depth 1.7
  Writing

      x = x + 1
      

  is quite meaningful as an assignment, but as an equality it is equivalent to false.
• Page 27, Line 5
  The auto-decrement operator is --, not a dash.
• Page 28, Example 1.3
  This expression has three operators of the same precedence, so we start with the left-most, which is a division:
• Page 29, Line 10
  ... they are reals.
• Page 33, Line -8 and -7
  hits += 6; is short for hits = hits + 6;
hits *= count; is short for hits = hits * count;
• Page 40, Line -6
  eChecking Deadline has Passed Refer ...

• Page 53, statement r.height = 3
  A semicolon is missing at the end of the statement.
• Page 53, Fig. 2.4
  The UML object diagram in the bottom-right corner of Fig. 2.4 should have s as the instance name, not r.
• Page 54, Example 2.4
  String[] args instead of String[]args.
• Page 55, Fig. 2.6d
  A semicolon is missing at the end of "r.height = 3".
• Page 56, Line 8
  ... that is, a nonutility class, may ...
• Page 57, Line -11
  Emphasize "what" in "...briefly what the fragment does."
• Page 63, one line below Example 2.5
  ... the interfaces discloses information ...
• Page 65, Line 4
  ... instead of multiplied.
• Page 65, Figure 2.10
  launch main class
• Page 73, second line of Section 2.3.3
  ... how to read this document ...
• Page 75, Line -2
  power is available
• Page 76, Line -8
  x <= 0 and throw an exception
• Page 77, Line 3 of More in Depth
  ... client sets a field ...
• Page 78, Fig. 2.19.1
  ... int variable ...
• Page 79, Fig. 2.20.3 (left)
  MM says "Done." to SM.
• Page 79, Fig. 2.20.4 (left)
  SM says "Done." to P.
• Page 87, Lab 2, Linux
  The Java API directory (second bullet) should have no space in it and the path in the third bullet should start with ~/javaAPI.
• Page 90, Lab 2
  The code fragment has output incorrectly capitalized.

• Page 103, Fig. 3.5
  The field detail is for the maximum value, not the minimum. Constant Field Values should be underlined.
• Page 104, Caption of Fig. 3.7
  The method detail section of the abs method in the Math class API
• Page 106, Line -13
  ... class and if m is ...
• Page 107, 3rd line below Programming Tip 3.2
  If there is no "most specific" method (e.g. there are two equally specific methods), then the compiler produces an "ambiguous invocation" error.
• Page 109, Line 15-17
  These lines need to be indented.
• Page 114, Line -1
  ... of the type.util.PrintStream2.
• Page 121, Line -18
  ... "page 8, line 24" (assuming that each page has 100 lines) into ...
• Page 121, Fig. 3.13
  Replace Math class with utility class.
• Page 123, Right column, Line -6
  ... Enter the height:"));
• Page 124, Left column, Line -7
  ... its formatting.
• Page 129, last invalid input (reported by Kalvin Misquith)
  The input 125 75 does not generate a run-time error.

• Page 135, Line 10
  ... and objects can be thought of ...
• Page 141, Line -1
  number = -14;
• Page 143, Line 2
  Fallacy: The object reference cannot be treated as an integer
• Page 144, Line -7
  By default, ...
• Page 151, Line -1
  f = new Fraction(intput.nextLong(), input.nextLong());
• Page 152, Line 2
  Replace IO with Scanner.
• Page 153, Example 4.5b
  The first line of the output should be 3 instead of 1.
• Page 153, Example 4.5, Answer (c)
  Thus one possible answer is ...
• Page 154, Line 8
  The mutator does not check ...
• Page 154, Line -3 (Example 4.6)
  boolean ok = f.setSeparator(input.nextLine().charAt(0));
• Page 171 (Check04A)
  (middle of page) t = -2/3 NOT 2/3
  In the sample run, the two values that appear after the "Enter x" prompt should be on separate lines.

• Page 180, Programming Tip 5.5
  Using an if-else statement, like the one below, to assign...
• Page 182, Line 6 and 13
  ... replace ... with ...
• Page 182, Line 9
  if (!(x >= a) || !(x < b))
• Page 182, Line 11
  if (x < a || x >= b)
• Page 198, Fig. 5.11
  There should be a semicolon after while (condition).
• Page 200, Line -8
  fileName = chooser...
• Page 201, Line 2
  The RHS should be: new Scanner(new File(filename));
• Page 202, Line 4
  fileInput.close(); or fileOutput.close();
• Page 215, Check05B
  The initial prompt should have a space before the dots, i.e. Enter filename ... lab5data.txt

• Page 234, Lines 8 and 9
  

  final String DAY_CODE = "0  1  2  3  4  5  6  ";
  final String DAY_NAME = "SunMonTueWedThuFriSat";
  

• Page 235, Lines 8 and 9
  

  final String CODE1 = "0      1      2       3 ";
  final String NAME1 = "Sunday Monday Tuesday Wednesday";
  
  final String CODE2 = "4        5      6 ";
  final String NAME2 = "Thursday Friday Saturday";
  

• Page 235, Line -1 and -2
  Add new in the RHS before StringBuffer.
• Page 236, Lines 1 and 4 of fragment
  Add new in the RHS before StringBuffer.
• Page 238, Line 6 from the bottom
  The range has not been used so far.

• Page 302, Fig. 8.8
  The rightmost two UML class diagrams in Fig. 8.8 have their method names switched; i.e. readLine(): String should be in BufferedReader and read(): int should be in Reader.
• Page 306, Fig. 8.12
  The third class diagram in Fig. 8.12 should specify type:lib as the package of UniPanel, not type:lang.
• Page 328, eCheck sample output
  Lines 4 and 6 of the output should be aligned with the rest.

• Page 370, Fig. 10.2
  Replace add with put in Map.
• Page 374, the remove signature
  Should be remove(Object o).
• Page 377, Line 6
  There should be no space between Iterator and <k>.
• Page 379, Fig. 10.6 and Fig. 10.7
  The two statements: Collections.sort(bag); and output.println(bag); are missing from the bottom of Fig. 10.6. The second one is also missing from the bottom of Fig. 10.7.
• Page 397, Exercise 10.9
  Assume that COLOR is a List.