Errata for Java in a Nutshell

next-to-last para., last sentence now reads: Finally, and very importantly, Java's automatic garbage collection relieves the developer of many of the mundane housecleaning tasks normally associated with memory management, which helps avoid pernicious bugs related to memory allocation and deallocation.

next-to-last para., last sentence now reads: Finally, and very importantly, Java's automatic garbage collection relieves the developer of many of the mundane housecleaning tasks normally associated with memory management, which helps avoid pernicious bugs related to memory allocation and deallocation.

"set CLASSPATH=.;C:...." (Note that this is for the second CLASSPATH line only; do not change the first one.)

Changed the following sentence: In Java, all variables have guaranteed default values, though the compiler may warn you in places where you rely, accidentally, or not, on these default values. to The same is true in Java; the Java compiler does not let you write code that uses uninitialized local variables. Note, however,that the fields of Java objects do not have garbage values; they are automatically initialized to standard default values.

sentence to read: This means that in our programs, we spend less time worrying about freeing memory and destroying objects--the garbage collector takes care of that.

sentence to read: This means that in our programs, we spend less time worrying about freeing memory and destroying objects--the garbage collector takes care of that.

code: triangle[i][j] = (short) i+j; now reads triangle[i][j] = (short) (i+j);

"The switch statement is the same in Java as it is in C." was changed to "The switch statement is the much the same in Java as it is in C. The values in case statements must be constants or variables that are declared final."

italicized list

Unless the program itself exits with f(CWSystem.exit()fR. Put this footnote at the end of the following sentence: The statements of a finally block are guaranteed to be executed, regardless of how the code in the try block exits.

and line -2: deleted "the" before "when the"

subclass of it, then" to "instance of the class, then"

subclass of it, then" to "instance of the class, then"

is not true; they can be overridden. >From the author: The statement is correct; however, it could be clarified as follows: replace the current text: "static methods cannot be overridden, so..." with: f(CWstaticfP methods, by their very nature, are not inherited, and thus cannot be overridden. Thus...

important point..." and replace it with: There is an important point to make about subclass access to f(CWprotectedfR members. A subclass inherits the f(CWprotectedfR members of its superclass, but it can only use those members through instances of itself, not directly in instances of the superclass. Suppose, for example, that f(CWAfR is a f(CWpublicfR class that defines a f(CWprotectedfR field f(CWffR and a f(CWprotectedfR method f(CWm()fR. Now, suppose that f(CWBfR is a subclass of f(CWAfR defined in a different package. f(CWBfR inherits the field f(CWffR and the method f(CWm()fR from f(CWAfR, and the methods of f(CWBfR can refer to the inherited field and method with expressions like f(CWffR, f(CWm()fR, f(CWthis.ffR, and f(CWthis.m()fR. However, if a method in f(CWBfR creates an instance f(CWafR of class f(CWAfR, it fIcannotfR use the field f(CWffR and the method f(CWm()fR of that object. That is, the class f(CWBfR cannot use expressions like f(CWa.ffR and f(CWa.m()fR. ("f(CW" and "fR" indicate that the intervening text should appear in constant width font.)

subclass the Serializable" to "that implement the Serializable"

subclass the Serializable" to "that implement the Serializable"

be documented, along with other, forthcoming APIs, in a separate volume, Java Enterprise in a Nutshell." to "and Security packages may be documented, along with other, forthcoming APIs, in a separate volume."

be documented, along with other, forthcoming APIs, in a separate volume, Java Enterprise in a Nutshell." to "and Security packages may be documented, along with other, forthcoming APIs, in a separate volume."

Changed the footnote to read: Unfortunately, in Java 1.1 there are compiler bugs that prevent access to the f(CWprivatefR fields and methods of enclosing classes from working correctly. This bug has been fixed in Java 1.2. ("f(CW" and "fR" indicate that the intervening text is in constant width font.)

"public interface Linkable {" to "public static interface Linkable {"

"public void remove(Linkable node)"

and .class Files" section and replace it with: When you compile the fILinkedList.javafR file shown in Example 5-1, you'll find that three class files are generated. The first two are named fILinkedList.classfR and fILinkableInteger.classfR, as expected. The third, however, is named fILinkedList$Linkable.classfR. The f(CW$fR in this name is automatically inserted by the Java compiler. ("fI" and "fR" indicate that the intervening text appears in italic.)

this.requestFocus(); //Ask for keyboard focus so we get key events

this.requestFocus(); //Ask for keyboard focus so we get key events

if (e.isPopupTrigger()) // If popup trigger, popup.show(this, e.getX(), e.getY()); // pop up the menu to: if (e.isPopupTrigger()) { // If popup trigger, popup.show(this, e.getX(), e.getY()); e.consume(); } // pop up the menu

if (e.isPopupTrigger()) // If popup trigger, popup.show(this, e.getX(), e.getY()); // pop up the menu to: if (e.isPopupTrigger()) { // If popup trigger, popup.show(this, e.getX(), e.getY()); e.consume(); } // pop up the menu

"oreilly.beans"

"oreilly.beans"

"... oreilly/beans/yesno/MultiLineLabel.class"

"AnswerListener"

"AnswerListener"

now: Boolean Properties (property p of type Boolean) getter: public boolean getP() or public boolean isP() setter: public void setP()

now: Boolean Properties (property p of type Boolean) getter: public boolean getP() or public boolean isP() setter: public void setP()

"System.exit(0);"

% jar cvf my.jar *.java images now reads % jar cvf my.jar *.class images

path" to "-version"

"Call the show() method of Window to make a frame appear on the screen or to bring it to the front of the window stack. Call hide() to remove a frame from the screen." to "Call the show() method of a Window to make the window appear and be brought to the top of the window stack. Call setVisible(false) to make the window disappear."

"setEchoChar()"

"WINDOW_CLOSED", "destroy()" now reads "dispose()"

"java.io" in the bottom-left dotted rectangle. Note that the rectangle above that correctly says "java.io"

in line 4, changed "getErrorStream" to "getInputStream"