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"E" 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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E

E. Static variable in class java.lang.Math
The double value that is closer than any other to e, the base of the natural logarithms.
E_RESIZE_CURSOR. Static variable in class java.awt.Cursor
The east-resize cursor type.
E_RESIZE_CURSOR. Static variable in class java.awt.Frame
EAST. Static variable in class java.awt.BorderLayout
The east layout constraint (left side of container).
EAST. Static variable in class java.awt.GridBagConstraints
Put the component on the right side of its display area, centered vertically.
echoCharIsSet(). Method in class java.awt.TextField
Indicates whether or not this text field has a character set for echoing.
elementAt(int). Method in class java.util.Vector
Returns the component at the specified index.
elementCount. Variable in class java.util.Vector
The number of valid components in the vector.
elementData. Variable in class java.util.Vector
The array buffer into which the components of the vector are stored.
elements(). Method in class java.util.Dictionary
Returns an enumeration of the values in this dictionary.
elements(). Method in class java.util.Hashtable
Returns an enumeration of the values in this hashtable.
elements(). Method in class java.util.Vector
Returns an enumeration of the components of this vector.
empty(). Method in class java.util.Stack
Tests if this stack is empty.
EmptyStackException(). Constructor for class java.util.EmptyStackException
Constructs a new EmptyStackException with no detail message.
enable(). Static method in class java.lang.Compiler
Cause the Compiler to resume operation.
enable(). Method in class java.awt.Component
enable(). Method in class java.awt.MenuItem
enable(boolean). Method in class java.awt.Component
enable(boolean). Method in class java.awt.MenuItem
enableEvents(long). Method in class java.awt.Component
Enables the events defined by the specified event mask parameter to be delivered to this component.
enableEvents(long). Method in class java.awt.MenuItem
Enables event delivery to this menu item for events to be defined by the specified event mask parameter

Since event types are automatically enabled when a listener for that type is added to the menu item, this method only needs to be invoked by subclasses of MenuItem which desire to have the specified event types delivered to processEvent regardless of whether a listener is registered.

enableReplaceObject(boolean). Method in class java.io.ObjectOutputStream
Enable the stream to do replacement of objects in the stream.
enableResolveObject(boolean). Method in class java.io.ObjectInputStream
Enable the stream to allow objects read from the stream to be replaced.
ENCLOSING_MARK. Static variable in class java.lang.Character
encode(OutputStream). Method in interface java.security.Certificate
Encodes the certificate to an output stream in a format that can be decoded by the decode method.
encode(String). Static method in class java.net.URLEncoder
Translates a string into x-www-form-urlencoded format.
END. Static variable in class java.awt.Event
The End key, a non-ASCII action key.
end(). Method in class java.util.zip.Deflater
Discards unprocessed input and frees internal data.
end(). Method in class java.util.zip.Inflater
Discards unprocessed input and frees internal data.
end(). Method in class java.awt.PrintJob
Ends the print job and does any necessary cleanup.
END_PUNCTUATION. Static variable in class java.lang.Character
endsWith(String). Method in class java.lang.String
Tests if this string ends with the specified suffix.
engineDigest(). Method in class java.security.MessageDigest
SPI: Completes the hash computation by performing final operations such as padding.
engineGetParameter(String). Method in class java.security.Signature
SPI: Gets the value of the specified algorithm parameter.
engineInitSign(PrivateKey). Method in class java.security.Signature
SPI: Initializes this signature object with the specified private key for signing operations.
engineInitVerify(PublicKey). Method in class java.security.Signature
SPI: Initializes this signature object with the specified public key for verification operations.
engineReset(). Method in class java.security.MessageDigest
SPI: Resets the digest for further use.
engineSetParameter(String, Object). Method in class java.security.Signature
SPI: Sets the specified algorithm parameter to the specified value.
engineSign(). Method in class java.security.Signature
SPI: Returns the signature bytes of all the data updated so far.
engineUpdate(byte). Method in class java.security.MessageDigest
SPI: Updates the digest using the specified byte.
engineUpdate(byte). Method in class java.security.Signature
SPI: Updates the data to be signed or verified using the specified byte.
engineUpdate(byte[], int, int). Method in class java.security.MessageDigest
SPI: Updates the digest using the specified array of bytes, starting at the specified offset.
engineUpdate(byte[], int, int). Method in class java.security.Signature
SPI: Updates the data to be signed or verified, using the specified array of bytes, starting at the specified offset.
engineVerify(byte[]). Method in class java.security.Signature
SPI: Verifies the passed-in signature.
ENGLISH. Static variable in class java.util.Locale
Useful constant for language.
ensureCapacity(int). Method in class java.lang.StringBuffer
Ensures that the capacity of the buffer is at least equal to the specified minimum.
ensureCapacity(int). Method in class java.util.Vector
Increases the capacity of this vector, if necessary, to ensure that it can hold at least the number of components specified by the minimum capacity argument.
ENTER. Static variable in class java.awt.Event
The Enter key.
entries(). Method in interface java.security.acl.Acl
Returns an enumeration of the entries in this ACL.
entries(). Method in class java.util.zip.ZipFile
Returns an enumeration of the ZIP file entries.
enumerate(Thread[]). Static method in class java.lang.Thread
Copies into the specified array every active thread in this thread group and its subgroups.
enumerate(Thread[]). Method in class java.lang.ThreadGroup
Copies into the specified array every active thread in this thread group and its subgroups.
enumerate(Thread[], boolean). Method in class java.lang.ThreadGroup
Copies into the specified array every active thread in this thread group.
enumerate(ThreadGroup[]). Method in class java.lang.ThreadGroup
Copies into the specified array references to every active subgroup in this thread group.
enumerate(ThreadGroup[], boolean). Method in class java.lang.ThreadGroup
Copies into the specified array references to every active subgroup in this thread group.
eof. Variable in class java.io.OptionalDataException
True if there is no more data in the buffered part of the stream.
EOFException(). Constructor for class java.io.EOFException
Constructs an EOFException with no detail message.
EOFException(String). Constructor for class java.io.EOFException
Constructs an EOFException with the specified detail message.
eolIsSignificant(boolean). Method in class java.io.StreamTokenizer
Determines whether or not ends of line are treated as tokens.
eos. Variable in class java.util.zip.GZIPInputStream
Indicates end of input stream.
equals(DataFlavor). Method in class java.awt.datatransfer.DataFlavor
equals(MenuShortcut). Method in class java.awt.MenuShortcut
Returns whether this MenuShortcut is the same as another: equality is defined to mean that both MenuShortcuts use the same key and both either use or don't use the SHIFT key.
equals(Object). Method in class java.math.BigDecimal
Returns true iff x is a BigDecimal whose value is equal to this number.
equals(Object). Method in class java.math.BigInteger
Returns true iff x is a BigInteger whose value is equal to this number.
equals(Object). Method in class java.util.BitSet
Compares this object against the specified object.
equals(Object). Method in class java.lang.Boolean
Returns true if and only if the argument is not null and is a Boolean object that contains the same boolean value as this object.
equals(Object). Method in class java.lang.Byte
Compares this object to the specified object.
equals(Object). Method in class java.util.Calendar
Compares this calendar to the specified object.
equals(Object). Method in class java.lang.Character
Compares this object against the specified object.
equals(Object). Method in class java.text.ChoiceFormat
Equality comparision between two
equals(Object). Method in class java.text.CollationKey
Compare this CollationKey and the target CollationKey for equality.
equals(Object). Method in class java.text.Collator
Compares the equality of two Collators.
equals(Object). Method in class java.awt.Color
Determines whether another object is equal to this color.
equals(Object). Method in class java.lang.reflect.Constructor
Compares this Constructor against the specified object.
equals(Object). Method in class java.util.Date
Compares two dates.
equals(Object). Method in class java.text.DateFormat
Overrides equals
equals(Object). Method in class java.text.DateFormatSymbols
Override equals
equals(Object). Method in class java.text.DecimalFormat
Overrides equals
equals(Object). Method in class java.text.DecimalFormatSymbols
Override equals
equals(Object). Method in class java.awt.Dimension
Checks whether two dimension objects have equal values.
equals(Object). Method in class java.lang.Double
Compares this object against the specified object.
equals(Object). Method in class java.lang.reflect.Field
Compares this Field against the specified object.
equals(Object). Method in class java.io.File
Compares this object against the specified object.
equals(Object). Method in class java.lang.Float
Compares this object against some other object.
equals(Object). Method in class java.awt.Font
Compares this object to the specifed object.
equals(Object). Method in class java.util.GregorianCalendar
Compares this calendar to the specified object.
equals(Object). Method in class java.security.Identity
Tests for equality between the specified object and this identity.
equals(Object). Method in class java.net.InetAddress
Compares this object against the specified object.
equals(Object). Method in class java.awt.Insets
Checks whether two insets objects are equal.
equals(Object). Method in class java.lang.Integer
Compares this object to the specified object.
equals(Object). Method in class java.util.Locale
Compares two Objects for equality.
equals(Object). Method in class java.lang.Long
Compares this object against the specified object.
equals(Object). Method in class java.text.MessageFormat
Equality comparision between two message format objects
equals(Object). Method in class java.lang.reflect.Method
Compares this Method against the specified object.
equals(Object). Method in class java.text.NumberFormat
Overrides equals
equals(Object). Method in class java.lang.Object
Compares two Objects for equality.
equals(Object). Method in class java.rmi.server.ObjID
Two object identifiers are considered equal if they have the same contents.
equals(Object). Method in interface java.security.acl.Permission
Returns true if the object passed matches the permission represented in this interface.
equals(Object). Method in class java.awt.Point
Determines whether two points are equal.
equals(Object). Method in interface java.security.Principal
Compares this principal to the specified object.
equals(Object). Method in class java.awt.Rectangle
Checks whether two rectangles are equal.
equals(Object). Method in class java.rmi.server.RemoteObject
Compares two remote objects for equality.
equals(Object). Method in class java.text.RuleBasedCollator
Compares the equality of two collation objects.
equals(Object). Method in class java.lang.Short
Compares this object to the specified object.
equals(Object). Method in class java.text.SimpleDateFormat
Override equals.
equals(Object). Method in class java.util.SimpleTimeZone
Compares the equality of two SimpleTimeZone objects.
equals(Object). Method in class java.lang.String
Compares this string to the specified object.
equals(Object). Method in class java.text.StringCharacterIterator
Compares the equality of two StringCharacterIterator objects.
equals(Object). Method in class java.rmi.server.UID
Compares two Objects for equality.
equals(Object). Method in class java.net.URL
Compares two URLs.
equals(Object). Method in class java.rmi.dgc.VMID
Compare this VMID to another, and return true if they are the same identifier.
equals(String, String). Method in class java.text.Collator
Convenience method for comparing the equality of two strings based on this Collator's collation rules.
equals(Timestamp). Method in class java.sql.Timestamp
Test Timestamp values for equality
equalsIgnoreCase(String). Method in class java.lang.String
Compares this String to another object.
ERA. Static variable in class java.util.Calendar
Useful constant for date and time.
ERA_FIELD. Static variable in class java.text.DateFormat
Useful constant for ERA field alignment.
err. Static variable in class java.io.FileDescriptor
A handle to the standard error stream.
err. Static variable in class java.lang.System
The "standard" error output stream.
ERROR. Static variable in interface java.awt.image.ImageObserver
An image which was being tracked asynchronously has encountered an error.
Error(). Constructor for class java.lang.Error
Constructs an Error with no specified detail message.
Error(String). Constructor for class java.lang.Error
Constructs an Error with the specified detail message.
ERRORED. Static variable in class java.awt.MediaTracker
Flag indicating that the downloading of some media encountered an error.
ESCAPE. Static variable in class java.awt.Event
The Escape key.
Event(Object, int, Object). Constructor for class java.awt.Event
Creates an instance of Event with the specified target component, event type, and argument.
Event(Object, long, int, int, int, int, int). Constructor for class java.awt.Event
Creates an instance of Event, with the specified target component, time stamp, event type, x and y coordinates, keyboard key, state of the modifier keys, and an argument set to null.
Event(Object, long, int, int, int, int, int, Object). Constructor for class java.awt.Event
Creates an instance of Event with the specified target component, time stamp, event type, x and y coordinates, keyboard key, state of the modifier keys, and argument.
EventObject(Object). Constructor for class java.util.EventObject
EventQueue(). Constructor for class java.awt.EventQueue
EventSetDescriptor(Class, String, Class, String). Constructor for class java.beans.EventSetDescriptor
This constructor creates an EventSetDescriptor assuming that you are following the most simple standard design pattern where a named event "fred" is (1) delivered as a call on the single method of interface FredListener, (2) has a single argument of type FredEvent, and (3) where the FredListener may be registered with a call on an addFredListener method of the source component and removed with a call on a removeFredListener method.
EventSetDescriptor(Class, String, Class, String[], String, String). Constructor for class java.beans.EventSetDescriptor
This constructor creates an EventSetDescriptor from scratch using string names.
EventSetDescriptor(String, Class, Method[], Method, Method). Constructor for class java.beans.EventSetDescriptor
This constructor creates an EventSetDescriptor from scratch using java.lang.reflect.Method and java.lang.Class objects.
EventSetDescriptor(String, Class, MethodDescriptor[], Method, Method). Constructor for class java.beans.EventSetDescriptor
This constructor creates an EventSetDescriptor from scratch using java.lang.reflect.MethodDescriptor and java.lang.Class objects.
evt. Variable in class java.awt.Event
The next event.
Exception(). Constructor for class java.lang.Exception
Constructs an Exception with no specified detail message.
Exception(String). Constructor for class java.lang.Exception
Constructs an Exception with the specified detail message.
ExceptionInInitializerError(). Constructor for class java.lang.ExceptionInInitializerError
Constructs an ExceptionInInitializerError with no detail message.
ExceptionInInitializerError(String). Constructor for class java.lang.ExceptionInInitializerError
Constructs a ExceptionInInitializerError with the specified detail message.
ExceptionInInitializerError(Throwable). Constructor for class java.lang.ExceptionInInitializerError
Constructs a new ExceptionInInitializerError class initialized to the specific throwable
exec(String). Method in class java.lang.Runtime
Executes the specified string command in a separate process.
exec(String, String[]). Method in class java.lang.Runtime
Executes the specified string command in a separate process with the specified environment.
exec(String[]). Method in class java.lang.Runtime
Executes the specified command and arguments in a separate process.
exec(String[], String[]). Method in class java.lang.Runtime
Executes the specified command and arguments in a separate process with the specified environment.
execute(). Method in interface java.sql.PreparedStatement
Some prepared statements return multiple results; the execute method handles these complex statements as well as the simpler form of statements handled by executeQuery and executeUpdate.
execute(String). Method in interface java.sql.Statement
Execute a SQL statement that may return multiple results.
executeCall(). Method in interface java.rmi.server.RemoteCall
Do whatever it takes to execute the call.
executeQuery(). Method in interface java.sql.PreparedStatement
A prepared SQL query is executed and its ResultSet is returned.
executeQuery(String). Method in interface java.sql.Statement
Execute a SQL statement that returns a single ResultSet.
executeUpdate(). Method in interface java.sql.PreparedStatement
Execute a SQL INSERT, UPDATE or DELETE statement.
executeUpdate(String). Method in interface java.sql.Statement
Execute a SQL INSERT, UPDATE or DELETE statement.
exists(). Method in class java.io.File
Tests if this File exists.
exit(int). Method in class java.lang.Runtime
Terminates the currently running Java Virtual Machine.
exit(int). Static method in class java.lang.System
Terminates the currently running Java Virtual Machine.
exitValue(). Method in class java.lang.Process
Returns the exit value for the subprocess.
exp(double). Static method in class java.lang.Math
Returns the exponential number e (i.e., 2.718...) raised to the power of a double value.
ExportException(String). Constructor for class java.rmi.server.ExportException
Create A remote exception with the specified string
ExportException(String, Exception). Constructor for class java.rmi.server.ExportException
Create A remote exception with the specified string, and the exception specified.
exportObject(Remote). Static method in class java.rmi.server.UnicastRemoteObject
Export the remote object to make it available to receive incoming calls.
exportObject(Remote, Object). Method in interface java.rmi.server.ServerRef
Find or create a client stub object for the supplied Remote.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
All Packages  Class Hierarchy Index of Fields and Methods


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