"I" Fields and Methods - JDK 5 Documentation v1.1.8, Java 2 SDK 英文文档

All Packages Class Hierarchy Index of Fields and Methods

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I

ICON_COLOR_16x16. Static variable in interface java.beans.BeanInfo: Constant to indicate a 16 x 16 color icon.
ICON_COLOR_32x32. Static variable in interface java.beans.BeanInfo: Constant to indicate a 32 x 32 color icon.
ICON_MONO_16x16. Static variable in interface java.beans.BeanInfo: Constant to indicate a 16 x 16 monochrome icon.
ICON_MONO_32x32. Static variable in interface java.beans.BeanInfo: Constant to indicate a 32 x 32 monochrome icon.
id. Variable in class java.awt.AWTEvent
id. Variable in class java.awt.Event: Indicates which type of event the event is, and which other Event variables are relevant for the event.
IDENTICAL. Static variable in class java.text.Collator: Collator strength value.
identities(). Method in class java.security.IdentityScope: Returns an enumeration of all identities in this identity scope.
Identity(). Constructor for class java.security.Identity: Constructor for serialization only.
Identity(String). Constructor for class java.security.Identity: Constructs an identity with the specified name and no scope.
Identity(String, IdentityScope). Constructor for class java.security.Identity: Constructs an identity with the specified name and scope.
identityEquals(Identity). Method in class java.security.Identity: Tests for equality between the specified identity and this identity.
identityHashCode(Object). Static method in class java.lang.System: Returns the same hashcode for the given object as would be returned by the default method hashCode(), whether or not the given object's class overrides hashCode().
IdentityScope(). Constructor for class java.security.IdentityScope: This constructor is used for serialization only and should not be used by subclasses.
IdentityScope(String). Constructor for class java.security.IdentityScope: Constructs a new identity scope with the specified name.
IdentityScope(String, IdentityScope). Constructor for class java.security.IdentityScope: Constructs a new identity scope with the specified name and scope.
IEEEremainder(double, double). Static method in class java.lang.Math: Computes the remainder operation on two arguments as prescribed by the IEEE 754 standard.
ifModifiedSince. Variable in class java.net.URLConnection: Some protocols support skipping the fetching of the object unless the object has been modified more recently than a certain time.
IllegalAccessError(). Constructor for class java.lang.IllegalAccessError: Constructs an IllegalAccessError with no detail message.
IllegalAccessError(String). Constructor for class java.lang.IllegalAccessError: Constructs an IllegalAccessError with the specified detail message.
IllegalAccessException(). Constructor for class java.lang.IllegalAccessException: Constructs an IllegalAccessException without a detail message.
IllegalAccessException(String). Constructor for class java.lang.IllegalAccessException: Constructs an IllegalAccessException with a detail message.
IllegalArgumentException(). Constructor for class java.lang.IllegalArgumentException: Constructs an IllegalArgumentException with no detail message.
IllegalArgumentException(String). Constructor for class java.lang.IllegalArgumentException: Constructs an IllegalArgumentException with the specified detail message.
IllegalComponentStateException(). Constructor for class java.awt.IllegalComponentStateException: Constructs an IllegalComponentStateException with no detail message.
IllegalComponentStateException(String). Constructor for class java.awt.IllegalComponentStateException: Constructs an IllegalComponentStateException with the specified detail message.
IllegalMonitorStateException(). Constructor for class java.lang.IllegalMonitorStateException: Constructs an IllegalMonitorStateException with no detail message.
IllegalMonitorStateException(String). Constructor for class java.lang.IllegalMonitorStateException: Constructs an IllegalMonitorStateException with the specified detail message.
IllegalStateException(). Constructor for class java.lang.IllegalStateException: Constructs an IllegalStateException with no detail message.
IllegalStateException(String). Constructor for class java.lang.IllegalStateException: Constructs an IllegalStateException with the specified detail message.
IllegalThreadStateException(). Constructor for class java.lang.IllegalThreadStateException: Constructs an IllegalThreadStateException with no detail message.
IllegalThreadStateException(String). Constructor for class java.lang.IllegalThreadStateException: Constructs an IllegalThreadStateException with the specified detail message.
Image(). Constructor for class java.awt.Image
IMAGEABORTED. Static variable in interface java.awt.image.ImageConsumer: The image creation process was deliberately aborted.
imageComplete(int). Method in interface java.awt.image.ImageConsumer: The imageComplete method is called when the ImageProducer is finished delivering all of the pixels that the source image contains, or when a single frame of a multi-frame animation has been completed, or when an error in loading or producing the image has occured.
imageComplete(int). Method in class java.awt.image.ImageFilter: Filters the information provided in the imageComplete method of the ImageConsumer interface.
imageComplete(int). Method in class java.awt.image.PixelGrabber: The imageComplete method is part of the ImageConsumer API which this class must implement to retrieve the pixels.
IMAGEERROR. Static variable in interface java.awt.image.ImageConsumer: An error was encountered while producing the image.
ImageFilter(). Constructor for class java.awt.image.ImageFilter
imageUpdate(Image, int, int, int, int, int). Method in class java.awt.Component: Repaints the component when the image has changed.
imageUpdate(Image, int, int, int, int, int). Method in interface java.awt.image.ImageObserver: This method is called when information about an image which was previously requested using an asynchronous interface becomes available.
implAccept(Socket). Method in class java.net.ServerSocket: Subclasses of ServerSocket use this method to override accept() to return their own subclass of socket.
importedKeyCascade. Static variable in interface java.sql.DatabaseMetaData: IMPORT KEY UPDATE_RULE and DELETE_RULE - for update, change imported key to agree with primary key update; for delete, delete rows that import a deleted key.
importedKeyInitiallyDeferred. Static variable in interface java.sql.DatabaseMetaData: IMPORT KEY DEFERRABILITY - see SQL92 for definition
importedKeyInitiallyImmediate. Static variable in interface java.sql.DatabaseMetaData: IMPORT KEY DEFERRABILITY - see SQL92 for definition
importedKeyNoAction. Static variable in interface java.sql.DatabaseMetaData: IMPORT KEY UPDATE_RULE and DELETE_RULE - do not allow update or delete of primary key if it has been imported.
importedKeyNotDeferrable. Static variable in interface java.sql.DatabaseMetaData: IMPORT KEY DEFERRABILITY - see SQL92 for definition
importedKeyRestrict. Static variable in interface java.sql.DatabaseMetaData: IMPORT KEY UPDATE_RULE and DELETE_RULE - do not allow update or delete of primary key if it has been imported.
importedKeySetDefault. Static variable in interface java.sql.DatabaseMetaData: IMPORT KEY UPDATE_RULE and DELETE_RULE - change imported key to default values if its primary key has been updated or deleted.
importedKeySetNull. Static variable in interface java.sql.DatabaseMetaData: IMPORT KEY UPDATE_RULE and DELETE_RULE - change imported key to NULL if its primary key has been updated or deleted.
in. Static variable in class java.io.FileDescriptor: A handle to the standard input stream.
in. Variable in class java.io.FilterInputStream: The underlying input stream.
in. Variable in class java.io.FilterReader: The underlying character-input stream, or null if the stream has been closed
in. Variable in class java.io.PipedInputStream
in. Static variable in class java.lang.System: The "standard" input stream.
INACTIVE_CAPTION. Static variable in class java.awt.SystemColor: The array index for the inactive caption background color.
INACTIVE_CAPTION_BORDER. Static variable in class java.awt.SystemColor: The array index for the inactive caption border color.
INACTIVE_CAPTION_TEXT. Static variable in class java.awt.SystemColor: The array index for the inactive caption text color.
inactiveCaption. Static variable in class java.awt.SystemColor: The background color for inactive captions in window borders.
inactiveCaptionBorder. Static variable in class java.awt.SystemColor: The border color for inactive captios in window borders.
inactiveCaptionText. Static variable in class java.awt.SystemColor: The text color for inactive captions in window borders.
inCheck. Variable in class java.lang.SecurityManager: This field is true if there is a security check in progress; false otherwise.
inClass(String). Method in class java.lang.SecurityManager: Tests if the specified String is in this Class.
inClassLoader(). Method in class java.lang.SecurityManager: Tests if the current ClassLoader is equal to null.
IncompatibleClassChangeError(). Constructor for class java.lang.IncompatibleClassChangeError: Constructs an IncompatibleClassChangeError with no detail message.
IncompatibleClassChangeError(String). Constructor for class java.lang.IncompatibleClassChangeError: Constructs an IncompatibleClassChangeError with the specified detail message.
inDaylightTime(Date). Method in class java.util.SimpleTimeZone: Overrides TimeZone Queries if the given date is in Daylight Savings Time.
inDaylightTime(Date). Method in class java.util.TimeZone: Queries if the given date is in Daylight Savings Time in this time zone.
IndexColorModel(int, int, byte[], byte[], byte[]). Constructor for class java.awt.image.IndexColorModel: Constructs an IndexColorModel from the given arrays of red, green, and blue components.
IndexColorModel(int, int, byte[], byte[], byte[], byte[]). Constructor for class java.awt.image.IndexColorModel: Constructs an IndexColorModel from the given arrays of red, green, blue and alpha components.
IndexColorModel(int, int, byte[], byte[], byte[], int). Constructor for class java.awt.image.IndexColorModel: Constructs an IndexColorModel from the given arrays of red, green, and blue components.
IndexColorModel(int, int, byte[], int, boolean). Constructor for class java.awt.image.IndexColorModel: Constructs an IndexColorModel from a single arrays of packed red, green, blue and optional alpha components.
IndexColorModel(int, int, byte[], int, boolean, int). Constructor for class java.awt.image.IndexColorModel: Constructs an IndexColorModel from a single arrays of packed red, green, blue and optional alpha components.
IndexedPropertyDescriptor(String, Class). Constructor for class java.beans.IndexedPropertyDescriptor: This constructor constructs an IndexedPropertyDescriptor for a property that follows the standard Java conventions by having getFoo and setFoo accessor methods, for both indexed access and array access.
IndexedPropertyDescriptor(String, Class, String, String, String, String). Constructor for class java.beans.IndexedPropertyDescriptor: This constructor takes the name of a simple property, and method names for reading and writing the property, both indexed and non-indexed.
IndexedPropertyDescriptor(String, Method, Method, Method, Method). Constructor for class java.beans.IndexedPropertyDescriptor: This constructor takes the name of a simple property, and Method objects for reading and writing the property.
indexOf(int). Method in class java.lang.String: Returns the index within this string of the first occurrence of the specified character.
indexOf(int, int). Method in class java.lang.String: Returns the index within this string of the first occurrence of the specified character, starting the search at the specified index.
indexOf(Object). Method in class java.util.Vector: Searches for the first occurence of the given argument, testing for equality using the equals method.
indexOf(Object, int). Method in class java.util.Vector: Searches for the first occurence of the given argument, beginning the search at index, and testing for equality using the equals method.
indexOf(String). Method in class java.lang.String: Returns the index within this string of the first occurrence of the specified substring.
indexOf(String, int). Method in class java.lang.String: Returns the index within this string of the first occurrence of the specified substring, starting at the specified index.
IndexOutOfBoundsException(). Constructor for class java.lang.IndexOutOfBoundsException: Constructs an IndexOutOfBoundsException with no detail message.
IndexOutOfBoundsException(String). Constructor for class java.lang.IndexOutOfBoundsException: Constructs an IndexOutOfBoundsException with the specified detail message.
inf. Variable in class java.util.zip.InflaterInputStream: Decompressor for this stream.
inflate(byte[]). Method in class java.util.zip.Inflater: Uncompresses bytes into specified buffer.
inflate(byte[], int, int). Method in class java.util.zip.Inflater: Uncompresses bytes into specified buffer.
Inflater(). Constructor for class java.util.zip.Inflater: Creates a new decompressor.
Inflater(boolean). Constructor for class java.util.zip.Inflater: Creates a new decompressor.
InflaterInputStream(InputStream). Constructor for class java.util.zip.InflaterInputStream: Creates a new input stream with a default decompressor and buffer size.
InflaterInputStream(InputStream, Inflater). Constructor for class java.util.zip.InflaterInputStream: Creates a new input stream with the specified decompressor and a default buffer size.
InflaterInputStream(InputStream, Inflater, int). Constructor for class java.util.zip.InflaterInputStream: Creates a new input stream with the specified decompressor and buffer size.
INFO. Static variable in class java.awt.SystemColor: The array index for the info background color.
info. Static variable in class java.awt.SystemColor: The background color for info(help) text.
INFO_TEXT. Static variable in class java.awt.SystemColor: The array index for the info text color.
infoText. Static variable in class java.awt.SystemColor: The text color for info(help) text.
init(). Method in class java.applet.Applet: Called by the browser or applet viewer to inform this applet that it has been loaded into the system.
initialize(DSAParams, SecureRandom). Method in interface java.security.interfaces.DSAKeyPairGenerator: Initializes the key pair generator using p, q and g, the DSA family parameters.
initialize(int). Method in class java.security.KeyPairGenerator: Initializes the key pair generator for a certain strength using a system-provided source of randomness.
initialize(int, boolean, SecureRandom). Method in interface java.security.interfaces.DSAKeyPairGenerator: Initializes the key pair generator for a given modulus length, without parameters.
initialize(int, SecureRandom). Method in class java.security.KeyPairGenerator: Initializes the key pair generator for a certain strength.
initSign(PrivateKey). Method in class java.security.Signature: Initialize this object for signing.
initVerify(PublicKey). Method in class java.security.Signature: Initializes this object for verification.
InputStream(). Constructor for class java.io.InputStream
InputStreamReader(InputStream). Constructor for class java.io.InputStreamReader: Create an InputStreamReader that uses the default character encoding.
InputStreamReader(InputStream, String). Constructor for class java.io.InputStreamReader: Create an InputStreamReader that uses the named character encoding.
INSERT. Static variable in class java.awt.Event: The Insert key, a non-ASCII action key.
insert(int, boolean). Method in class java.lang.StringBuffer: Inserts the string representation of the boolean argument into this string buffer.
insert(int, char). Method in class java.lang.StringBuffer: Inserts the string representation of the char argument into this string buffer.
insert(int, char[]). Method in class java.lang.StringBuffer: Inserts the string representation of the char array argument into this string buffer.
insert(int, double). Method in class java.lang.StringBuffer: Inserts the string representation of the double argument into this string buffer.
insert(int, float). Method in class java.lang.StringBuffer: Inserts the string representation of the float argument into this string buffer.
insert(int, int). Method in class java.lang.StringBuffer: Inserts the string representation of the second int argument into this string buffer.
insert(int, long). Method in class java.lang.StringBuffer: Inserts the string representation of the long argument into this string buffer.
insert(int, Object). Method in class java.lang.StringBuffer: Inserts the string representation of the Object argument into this string buffer.
insert(int, String). Method in class java.lang.StringBuffer: Inserts the string into this string buffer.
insert(MenuItem, int). Method in class java.awt.Menu: Inserts a menu item into this menu at the specified position.
insert(String, int). Method in class java.awt.Choice: Inserts the item into this choice at the specified position.
insert(String, int). Method in class java.awt.Menu: Inserts a menu item with the specified label into this menu at the specified position.
insert(String, int). Method in class java.awt.TextArea: Inserts the specified text at the specified position in this text area.
insertElementAt(Object, int). Method in class java.util.Vector: Inserts the specified object as a component in this vector at the specified index.
insertProviderAt(Provider, int). Static method in class java.security.Security: Adds a new provider, at a specified position.
insertSeparator(int). Method in class java.awt.Menu: Inserts a separator at the specified position.
insertText(String, int). Method in class java.awt.TextArea
insets. Variable in class java.awt.GridBagConstraints: This field specifies the external padding of the component, the minimum amount of space between the component and the edges of its display area.
insets(). Method in class java.awt.Container
Insets(int, int, int, int). Constructor for class java.awt.Insets: Creates and initializes a new Insets object with the specified top, left, bottom, and right insets.
inside(int, int). Method in class java.awt.Component
inside(int, int). Method in class java.awt.Polygon
inside(int, int). Method in class java.awt.Rectangle
instantiate(ClassLoader, String). Static method in class java.beans.Beans: Instantiate a bean.
InstantiationError(). Constructor for class java.lang.InstantiationError: Constructs an InstantiationError with no detail message.
InstantiationError(String). Constructor for class java.lang.InstantiationError: Constructs an InstantiationError with the specified detail message.
InstantiationException(). Constructor for class java.lang.InstantiationException: Constructs an InstantiationException with no detail message.
InstantiationException(String). Constructor for class java.lang.InstantiationException: Constructs an InstantiationException with the specified detail message.
intBitsToFloat(int). Static method in class java.lang.Float: Returns the single-float corresponding to a given bit represention.
INTEGER. Static variable in class java.sql.Types
Integer(int). Constructor for class java.lang.Integer: Constructs a newly allocated Integer object that represents the primitive int argument.
Integer(String). Constructor for class java.lang.Integer: Constructs a newly allocated Integer object that represents the value represented by the string.
INTEGER_FIELD. Static variable in class java.text.NumberFormat: Field constant used to construct a FieldPosition object.
INTERFACE. Static variable in class java.lang.reflect.Modifier
intern(). Method in class java.lang.String: Returns a canonical representation for the string object.
InternalError(). Constructor for class java.lang.InternalError: Constructs an InternalError with no detail message.
InternalError(String). Constructor for class java.lang.InternalError: Constructs an InternalError with the specified detail message.
internalGet(int). Method in class java.util.Calendar: Gets the value for a given time field.
interrupt(). Method in class java.lang.Thread: Interrupts this thread.
interrupted(). Static method in class java.lang.Thread: Tests if the current thread has been interrupted.
InterruptedException(). Constructor for class java.lang.InterruptedException: Constructs an InterruptedException with no detail message.
InterruptedException(String). Constructor for class java.lang.InterruptedException: Constructs an InterruptedException with the specified detail message.
InterruptedIOException(). Constructor for class java.io.InterruptedIOException: Constructs an InterruptedIOException with no detail message.
InterruptedIOException(String). Constructor for class java.io.InterruptedIOException: Constructs an InterruptedIOException with the specified detail message.
intersection(Rectangle). Method in class java.awt.Rectangle: Computes the intersection of this rectangle with the specified rectangle.
intersects(Rectangle). Method in class java.awt.Rectangle: Determines whether this rectangle and the specified rectangle intersect.
IntrospectionException(String). Constructor for class java.beans.IntrospectionException
intValue(). Method in class java.math.BigDecimal: Converts this number to an int.
intValue(). Method in class java.math.BigInteger: Converts this number to an int.
intValue(). Method in class java.lang.Byte: Returns the value of this Byte as an int.
intValue(). Method in class java.lang.Double: Returns the integer value of this Double (by casting to an int).
intValue(). Method in class java.lang.Float: Returns the integer value of this Float (by casting to an int).
intValue(). Method in class java.lang.Integer: Returns the value of this Integer as an int.
intValue(). Method in class java.lang.Long: Returns the value of this Long as an int.
intValue(). Method in class java.lang.Number: Returns the value of the specified number as an int.
intValue(). Method in class java.lang.Short: Returns the value of this Short as an int.
invalidate(). Method in class java.awt.Component: Invalidates this component.
invalidate(). Method in class java.awt.Container: Invalidates the container.
invalidateLayout(Container). Method in class java.awt.BorderLayout: Invalidates the layout, indicating that if the layout manager has cached information it should be discarded.
invalidateLayout(Container). Method in class java.awt.CardLayout: Invalidates the layout, indicating that if the layout manager has cached information it should be discarded.
invalidateLayout(Container). Method in class java.awt.GridBagLayout: Invalidates the layout, indicating that if the layout manager has cached information it should be discarded.
invalidateLayout(Container). Method in interface java.awt.LayoutManager2: Invalidates the layout, indicating that if the layout manager has cached information it should be discarded.
InvalidClassException(String). Constructor for class java.io.InvalidClassException: Report a InvalidClassException for the specified reason.
InvalidClassException(String, String). Constructor for class java.io.InvalidClassException
InvalidKeyException(). Constructor for class java.security.InvalidKeyException: Constructs an InvalidKeyException with no detail message.
InvalidKeyException(String). Constructor for class java.security.InvalidKeyException: Constructs an InvalidKeyException with the specified detail message.
InvalidObjectException(String). Constructor for class java.io.InvalidObjectException: Constructs an InvalidObjectException with a detail message.
InvalidParameterException(). Constructor for class java.security.InvalidParameterException: Constructs an InvalidParameterException with no detail message.
InvalidParameterException(String). Constructor for class java.security.InvalidParameterException: Constructs an InvalidParameterException with the specified detail message.
InvocationTargetException(). Constructor for class java.lang.reflect.InvocationTargetException
InvocationTargetException(Throwable). Constructor for class java.lang.reflect.InvocationTargetException: Constructs a InvocationTargetException with a target exception.
InvocationTargetException(Throwable, String). Constructor for class java.lang.reflect.InvocationTargetException: Constructs a InvocationTargetException with a target exception and a detail message.
invoke(Object, Object[]). Method in class java.lang.reflect.Method: Invokes the underlying method represented by this Method object, on the specified object with the specified parameters.
invoke(RemoteCall). Method in interface java.rmi.server.RemoteRef: Executes the remote call.
IOException(). Constructor for class java.io.IOException: Constructs an IOException with no detail message.
IOException(String). Constructor for class java.io.IOException: Constructs an IOException with the specified detail message.
ipadx. Variable in class java.awt.GridBagConstraints: This field specifies the internal padding of the component, how much space to add to the minimum width of the component.
ipady. Variable in class java.awt.GridBagConstraints: This field specifies the internal padding, that is, how much space to add to the minimum height of the component.
isAbsolute(). Method in class java.io.File: Tests if the file represented by this File object is an absolute pathname.
isAbstract(int). Static method in class java.lang.reflect.Modifier: Return true if the specifier integer includes the abstract modifier.
isActionKey(). Method in class java.awt.event.KeyEvent: Returns whether or not the key in this event is an "action" key, as defined in Event.java.
isActive(). Method in class java.applet.Applet: Determines if this applet is active.
isActive(). Method in interface java.applet.AppletStub: Determines if the applet is active.
isAlive(). Method in class java.lang.Thread: Tests if this thread is alive.
isAltDown(). Method in class java.awt.event.InputEvent: Returns whether or not the Alt modifier is down on this event.
isAncestorOf(Component). Method in class java.awt.Container: Checks if the component is contained in the component hierarchy of this container.
isArray(). Method in class java.lang.Class: If this Class object represents an array type, returns true, otherwise returns false.
isAssignableFrom(Class). Method in class java.lang.Class: Determines if the class or interface represented by this Class object is either the same as, or is a superclass or superinterface of, the class or interface represented by the specified Class parameter.
isAutoIncrement(int). Method in interface java.sql.ResultSetMetaData: Is the column automatically numbered, thus read-only?
isBold(). Method in class java.awt.Font: Indicates whether the font's style is bold.
isBound(). Method in class java.beans.PropertyDescriptor: Updates to "bound" properties will cause a "PropertyChange" event to get fired when the property is changed.
isCaseSensitive(int). Method in interface java.sql.ResultSetMetaData: Does a column's case matter?
isCatalogAtStart(). Method in interface java.sql.DatabaseMetaData: Does a catalog appear at the start of a qualified table name? (Otherwise it appears at the end)
isClosed(). Method in interface java.sql.Connection: Tests to see if a Connection is closed.
isConstrained(). Method in class java.beans.PropertyDescriptor: Attempted updates to "Constrained" properties will cause a "VetoableChange" event to get fired when the property is changed.
isConsumed(). Method in class java.awt.AWTEvent
isConsumed(). Method in class java.awt.event.InputEvent: Returns whether or not this event has been consumed.
isConsumer(ImageConsumer). Method in class java.awt.image.FilteredImageSource: Determines whether an ImageConsumer is on the list of consumers currently interested in data for this image.
isConsumer(ImageConsumer). Method in interface java.awt.image.ImageProducer: This method determines if a given ImageConsumer object is currently registered with this ImageProducer as one of its consumers.
isConsumer(ImageConsumer). Method in class java.awt.image.MemoryImageSource: Determine if an ImageConsumer is on the list of consumers currently interested in data for this image.
isControlDown(). Method in class java.awt.event.InputEvent: Returns whether or not the Control modifier is down on this event.
isCurrency(int). Method in interface java.sql.ResultSetMetaData: Is the column a cash value?
isDaemon(). Method in class java.lang.Thread: Tests if this thread is a daemon thread.
isDaemon(). Method in class java.lang.ThreadGroup: Tests if this thread group is a daemon thread group.
isDataFlavorSupported(DataFlavor). Method in class java.awt.datatransfer.StringSelection: Returns whether the requested flavor is supported by this object.
isDataFlavorSupported(DataFlavor). Method in interface java.awt.datatransfer.Transferable: Returns whether or not the specified data flavor is supported for this object.
isDecimalSeparatorAlwaysShown(). Method in class java.text.DecimalFormat: Allows you to get the behavior of the decimal separator with integers.
isDefined(char). Static method in class java.lang.Character: Determines if a character has a defined meaning in Unicode.
isDefinitelyWritable(int). Method in interface java.sql.ResultSetMetaData: Will a write on the column definitely succeed?
isDesignTime(). Static method in class java.beans.Beans: Test if we are in design-mode.
isDestroyed(). Method in class java.lang.ThreadGroup: Tests if this thread group has been destroyed.
isDigit(char). Static method in class java.lang.Character: Determines if the specified character is a digit.
isDirectory(). Method in class java.io.File: Tests if the file represented by this File object is a directory.
isDirectory(). Method in class java.util.zip.ZipEntry: Returns true if this is a directory entry.
isEditable(). Method in class java.awt.TextComponent: Indicates whether or not this text component is editable.
isEmpty(). Method in class java.util.Dictionary: Tests if this dictionary maps no keys to value.
isEmpty(). Method in class java.util.Hashtable: Tests if this hashtable maps no keys to values.
isEmpty(). Method in class java.awt.Rectangle: Determines whether this rectangle is empty.
isEmpty(). Method in class java.util.Vector: Tests if this vector has no components.
isEnabled(). Method in class java.awt.Component: Determines whether this component is enabled.
isEnabled(). Method in class java.awt.MenuItem: Checks whether this menu item is enabled.
isEqual(byte[], byte[]). Static method in class java.security.MessageDigest: Compares two digests for equality.
isErrorAny(). Method in class java.awt.MediaTracker: Checks the error status of all of the images.
isErrorID(int). Method in class java.awt.MediaTracker: Checks the error status of all of the images tracked by this media tracker with the specified identifier.
isExpert(). Method in class java.beans.FeatureDescriptor: The "expert" flag is used to distinguish between those features that are intended for expert users from those that are intended for normal users.
isFile(). Method in class java.io.File: Tests if the file represented by this File object is a "normal" file.
isFinal(int). Static method in class java.lang.reflect.Modifier: Return true if the specifier integer includes the final modifier.
isFocusTraversable(). Method in class java.awt.Component: Returns the value of a flag that indicates whether this component can be traversed using Tab or Shift-Tab keyboard focus traversal.
isGroupingUsed(). Method in class java.text.NumberFormat: Returns true if grouping is used in this format.
isGuiAvailable(). Static method in class java.beans.Beans
isHidden(). Method in class java.beans.FeatureDescriptor: The "hidden" flag is used to identify features that are intended only for tool use, and which should not be exposed to humans.
isIdentifierIgnorable(char). Static method in class java.lang.Character: Determines if the specified character should be regarded as an ignorable character in a Java identifier or a Unicode identifier.
isInDefaultEventSet(). Method in class java.beans.EventSetDescriptor: Report if an event set is in the "default set".
isIndexSelected(int). Method in class java.awt.List: Determines if the specified item in this scrolling list is selected.
isInfinite(). Method in class java.lang.Double: Returns true if this Double value is infinitely large in magnitude.
isInfinite(). Method in class java.lang.Float: Returns true if this Float value is infinitely large in magnitude.
isInfinite(double). Static method in class java.lang.Double: Returns true if the specified number is infinitely large in magnitude.
isInfinite(float). Static method in class java.lang.Float: Returns true if the specified number is infinitely large in magnitude.
isInstance(Object). Method in class java.lang.Class: This method is the dynamic equivalent of the Java language instanceof operator.
isInstanceOf(Object, Class). Static method in class java.beans.Beans: Check if a bean can be viewed as a given target type.
isInterface(). Method in class java.lang.Class: Determines if the specified Class object represents an interface type.
isInterface(int). Static method in class java.lang.reflect.Modifier: Return true if the specifier integer includes the interface modifier.
isInterrupted(). Method in class java.lang.Thread: Tests if the current thread has been interrupted.
isISOControl(char). Static method in class java.lang.Character: Determines if the specified character is an ISO control character.
isItalic(). Method in class java.awt.Font: Indicates whether the font's style is italic.
isJavaIdentifierPart(char). Static method in class java.lang.Character: Determines if the specified character may be part of a Java identifier as other than the first character.
isJavaIdentifierStart(char). Static method in class java.lang.Character: Determines if the specified character is permissible as the first character in a Java identifier.
isJavaLetter(char). Static method in class java.lang.Character: Determines if the specified character is a "Java" letter, that is, the character is permissible as the first character in an identifier in the Java language.
isJavaLetterOrDigit(char). Static method in class java.lang.Character: Determines if the specified character is a "Java" letter or digit, that is, the character is permissible as a non-initial character in an identifier in the Java language.
isLeapYear(int). Method in class java.util.GregorianCalendar: Determines if the given year is a leap year.
isLenient(). Method in class java.util.Calendar: Tell whether date/time interpretation is to be lenient.
isLenient(). Method in class java.text.DateFormat: Tell whether date/time parsing is to be lenient.
isLetter(char). Static method in class java.lang.Character: Determines if the specified character is a letter.
isLetterOrDigit(char). Static method in class java.lang.Character: Determines if the specified character is a letter or digit.
isLowerCase(char). Static method in class java.lang.Character: Determines if the specified character is a lowercase character.
isMember(Principal). Method in interface java.security.acl.Group: Returns true if the passed principal is a member of the group.
isMetaDown(). Method in class java.awt.event.InputEvent: Returns whether or not the Meta modifier is down on this event.
isMimeTypeEqual(DataFlavor). Method in class java.awt.datatransfer.DataFlavor: Convenience function equivalent to calling: isMimeTypeEqual(dataFlavor.getMimeType());
isMimeTypeEqual(String). Method in class java.awt.datatransfer.DataFlavor: Is the string representation of the MIME type passed in equivalent to the MIME type of this DataFlavor.
isModal(). Method in class java.awt.Dialog: Indicates whether the dialog is modal.
isMulticastAddress(). Method in class java.net.InetAddress: Utility routine to check if the InetAddress is a IP multicast address.
isMultipleMode(). Method in class java.awt.List: Determines whether this list allows multiple selections.
isNaN(). Method in class java.lang.Double: Returns true if this Double value is the special Not-a-Number (NaN) value.
isNaN(). Method in class java.lang.Float: Returns true if this Float value is Not-a-Number (NaN).
isNaN(double). Static method in class java.lang.Double: Returns true if the specified number is the special Not-a-Number (NaN) value.
isNaN(float). Static method in class java.lang.Float: Returns true if the specified number is the special Not-a-Number (NaN) value.
isNative(int). Static method in class java.lang.reflect.Modifier: Return true if the specifier integer includes the native modifier.
isNegative(). Method in interface java.security.acl.AclEntry: Returns true if this is a negative ACL entry (one denying the associated principal the set of permissions in the entry), false otherwise.
isNullable(int). Method in interface java.sql.ResultSetMetaData: Can you put a NULL in this column?
isOwner(Principal). Method in interface java.security.acl.Owner: Returns true if the given principal is an owner of the ACL.
isPaintable(). Method in interface java.beans.PropertyEditor
isPaintable(). Method in class java.beans.PropertyEditorSupport
isParseIntegerOnly(). Method in class java.text.NumberFormat: Returns true if this format will parse numbers as integers only.
isPlain(). Method in class java.awt.Font: Indicates whether the font's style is plain.
isPopupTrigger(). Method in class java.awt.event.MouseEvent: Returns whether or not this mouse event is the popup-menu trigger event for the platform.
isPrimitive(). Method in class java.lang.Class: Determines if the specified Class object represents a primitive Java type.
isPrivate(int). Static method in class java.lang.reflect.Modifier: Return true if the specifier integer includes the private modifier.
isProbablePrime(int). Method in class java.math.BigInteger: Returns true if this BigInteger is probably prime, false if it's definitely composite.
isProtected(int). Static method in class java.lang.reflect.Modifier: Return true if the specifier integer includes the protected modifier.
isPublic(int). Static method in class java.lang.reflect.Modifier: Return true if the specified integer includes the public modifier.
isReadOnly(). Method in interface java.sql.Connection: Tests to see if the connection is in read-only mode.
isReadOnly(). Method in interface java.sql.DatabaseMetaData: Is the database in read-only mode?
isReadOnly(int). Method in interface java.sql.ResultSetMetaData: Is a column definitely not writable?
isResizable(). Method in class java.awt.Dialog: Indicates whether this dialog window is resizable.
isResizable(). Method in class java.awt.Frame: Indicates whether this frame is resizable.
isSearchable(int). Method in interface java.sql.ResultSetMetaData: Can the column be used in a where clause?
isSelected(int). Method in class java.awt.List
isSet. Variable in class java.util.Calendar: The flags which tell if a specified time field for the calendar is set.
isSet(int). Method in class java.util.Calendar: Determines if the given time field has a value set.
isShiftDown(). Method in class java.awt.event.InputEvent: Returns whether or not the Shift modifier is down on this event.
isShowing(). Method in class java.awt.Component: Determines whether this component is showing on screen.
isShowing(). Method in class java.awt.Window: Checks if this Window is showing on screen.
isSigned(int). Method in interface java.sql.ResultSetMetaData: Is the column a signed number?
isSpace(char). Static method in class java.lang.Character: Determines if the specified character is ISO-LATIN-1 white space.
isSpaceChar(char). Static method in class java.lang.Character: Determines if the specified character is a Unicode space character.
isStatic(int). Static method in class java.lang.reflect.Modifier: Return true if the specifier integer includes the static modifier.
isSynchronized(int). Static method in class java.lang.reflect.Modifier: Return true if the specifier integer includes the synchronized modifier.
isTearOff(). Method in class java.awt.Menu: Indicates whether this menu is a tear-off menu.
isTemporary(). Method in class java.awt.event.FocusEvent: Returns whether or not this focus change event is a temporary change.
isTimeSet. Variable in class java.util.Calendar: The flag which indicates if the current time is set for the calendar.
isTitleCase(char). Static method in class java.lang.Character: Determines if the specified character is a titlecase character.
isTransient(int). Static method in class java.lang.reflect.Modifier: Return true if the specifier integer includes the transient modifier.
isUnicast(). Method in class java.beans.EventSetDescriptor: Normally event sources are multicast.
isUnicodeIdentifierPart(char). Static method in class java.lang.Character: Determines if the specified character may be part of a Unicode identifier as other than the first character.
isUnicodeIdentifierStart(char). Static method in class java.lang.Character: Determines if the specified character is permissible as the first character in a Unicode identifier.
isUnique(). Static method in class java.rmi.dgc.VMID: Return true if an accurate address can be determined for this host.
isUpperCase(char). Static method in class java.lang.Character: Determines if the specified character is an uppercase character.
isValid(). Method in class java.awt.Component: Determines whether this component is valid.
isVisible(). Method in class java.awt.Component: Determines whether this component is visible.
isVolatile(int). Static method in class java.lang.reflect.Modifier: Return true if the specifier integer includes the volatile modifier.
isWhitespace(char). Static method in class java.lang.Character: Determines if the specified character is white space according to Java.
isWritable(int). Method in interface java.sql.ResultSetMetaData: Is it possible for a write on the column to succeed?
ITALIAN. Static variable in class java.util.Locale: Useful constant for language.
ITALIC. Static variable in class java.awt.Font: The italicized style constant.
ITALY. Static variable in class java.util.Locale: Useful constant for country.
ITEM_EVENT_MASK. Static variable in class java.awt.AWTEvent: The event mask for selecting item events.
ITEM_FIRST. Static variable in class java.awt.event.ItemEvent: Marks the first integer id for the range of item event ids.
ITEM_LAST. Static variable in class java.awt.event.ItemEvent: Marks the last integer id for the range of item event ids.
ITEM_STATE_CHANGED. Static variable in class java.awt.event.ItemEvent: The item state changed event type.
ItemEvent(ItemSelectable, int, Object, int). Constructor for class java.awt.event.ItemEvent: Constructs a ItemSelectEvent object with the specified ItemSelectable source, type, item, and item select state.
itemStateChanged(ItemEvent). Method in class java.awt.AWTEventMulticaster: Handles the itemStateChanged event by invoking the itemStateChanged methods on listener-a and listener-b.
itemStateChanged(ItemEvent). Method in interface java.awt.event.ItemListener: Invoked when an item's state has been changed.

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