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## F

F0 - Static variable in class java.security.spec.RSAKeyGenParameterSpec
  The public-exponent value F0 = 3.
F4 - Static variable in class java.security.spec.RSAKeyGenParameterSpec
  The public exponent-value F4 = 65537.
FALSE - Static variable in class java.lang.Boolean
  The `Boolean` object corresponding to the primitive value `false`.
fd - Variable in class java.net.SocketImpl
  The file descriptor object for this socket.
fd - Variable in class java.net.DatagramSocketImpl
  The file descriptor object.
FEBRUARY - Static variable in class java.util.Calendar
  Value of the `MONTH` field indicating the second month of the year.
Field - class java.lang.reflect.Field.
  A `Field` provides information about, and dynamic access to, a single field of a class or an interface.
FIELD_COUNT - Static variable in class java.util.Calendar
  The number of distict fields recognized by `get` and `set`.
FieldPosition - class java.text.FieldPosition.
  `FieldPosition` is a simple class used by `Format` and its subclasses to identify fields in formatted output.
FieldPosition(int) - Constructor for class java.text.FieldPosition
  Creates a FieldPosition object for the given field.
fields - Variable in class java.util.Calendar
  The field values for the currently set time for this calendar.
File - class java.io.File.
  An abstract representation of file and directory pathnames.
File(File, String) - Constructor for class java.io.File
  Creates a new `File` instance from a parent abstract pathname and a child pathname string.
File(String) - Constructor for class java.io.File
  Creates a new `File` instance by converting the given pathname string into an abstract pathname.
File(String, String) - Constructor for class java.io.File
  Creates a new `File` instance from a parent pathname string and a child pathname string.
FileDescriptor - class java.io.FileDescriptor.
  Instances of the file descriptor class serve as an opaque handle to the underlying machine-specific structure representing an open file, an open socket, or another source or sink of bytes.
FileDescriptor() - Constructor for class java.io.FileDescriptor
  Constructs an (invalid) FileDescriptor object.
FileFilter - interface java.io.FileFilter.
  A filter for abstract pathnames.
FileInputStream - class java.io.FileInputStream.
  A `FileInputStream` obtains input bytes from a file in a file system.
FileInputStream(File) - Constructor for class java.io.FileInputStream
  Creates a `FileInputStream` by opening a connection to an actual file, the file named by the `File` object `file` in the file system.
FileInputStream(FileDescriptor) - Constructor for class java.io.FileInputStream
  Creates a `FileInputStream` by using the file descriptor `fdObj`, which represents an existing connection to an actual file in the file system.
FileInputStream(String) - Constructor for class java.io.FileInputStream
  Creates a `FileInputStream` by opening a connection to an actual file, the file named by the path name `name` in the file system.
FilenameFilter - interface java.io.FilenameFilter.
  Instances of classes that implement this interface are used to filter filenames.
FileNameMap - interface java.net.FileNameMap.
  A simple interface which provides a mechanism to map between a file name and a MIME type string.
FileNotFoundException - exception java.io.FileNotFoundException.
  Signals that an attempt to open the file denoted by a specified pathname has failed.
FileNotFoundException() - Constructor for class java.io.FileNotFoundException
  Constructs a `FileNotFoundException` with `null` as its error detail message.
FileNotFoundException(String) - Constructor for class java.io.FileNotFoundException
  Constructs a `FileNotFoundException` with the specified detail message.
FileOutputStream - class java.io.FileOutputStream.
  A file output stream is an output stream for writing data to a `File` or to a `FileDescriptor`.
FileOutputStream(File) - Constructor for class java.io.FileOutputStream
  Creates a file output stream to write to the file represented by the specified `File` object.
FileOutputStream(FileDescriptor) - Constructor for class java.io.FileOutputStream
  Creates an output file stream to write to the specified file descriptor, which represents an existing connection to an actual file in the file system.
FileOutputStream(String) - Constructor for class java.io.FileOutputStream
  Creates an output file stream to write to the file with the specified name.
FileOutputStream(String, boolean) - Constructor for class java.io.FileOutputStream
  Creates an output file stream to write to the file with the specified `name`.
FilePermission - class java.io.FilePermission.
  This class represents access to a file or directory.
FilePermission(String, String) - Constructor for class java.io.FilePermission
  Creates a new FilePermission object with the specified actions.
FileReader - class java.io.FileReader.
  Convenience class for reading character files.
FileReader(File) - Constructor for class java.io.FileReader
  Creates a new `FileReader`, given the `File` to read from.
FileReader(FileDescriptor) - Constructor for class java.io.FileReader
  Creates a new `FileReader`, given the `FileDescriptor` to read from.
FileReader(String) - Constructor for class java.io.FileReader
  Creates a new `FileReader`, given the name of the file to read from.
FileWriter - class java.io.FileWriter.
  Convenience class for writing character files.
FileWriter(File) - Constructor for class java.io.FileWriter
  Constructs a FileWriter object given a File object.
FileWriter(FileDescriptor) - Constructor for class java.io.FileWriter
  Constructs a FileWriter object associated with a file descriptor.
FileWriter(String) - Constructor for class java.io.FileWriter
  Constructs a FileWriter object given a file name.
FileWriter(String, boolean) - Constructor for class java.io.FileWriter
  Constructs a FileWriter object given a file name with a boolean indicating whether or not to append the data written.
fill() - Method in class java.util.zip.InflaterInputStream
  Fills input buffer with more data to decompress.
fill(boolean[], boolean) - Static method in class java.util.Arrays
  Assigns the specified boolean value to each element of the specified array of booleans.
fill(boolean[], int, int, boolean) - Static method in class java.util.Arrays
  Assigns the specified boolean value to each element of the specified range of the specified array of booleans.
fill(byte[], byte) - Static method in class java.util.Arrays
  Assigns the specified byte value to each element of the specified array of bytes.
fill(byte[], int, int, byte) - Static method in class java.util.Arrays
  Assigns the specified byte value to each element of the specified range of the specified array of bytes.
fill(char[], char) - Static method in class java.util.Arrays
  Assigns the specified char value to each element of the specified array of chars.
fill(char[], int, int, char) - Static method in class java.util.Arrays
  Assigns the specified char value to each element of the specified range of the specified array of chars.
fill(double[], double) - Static method in class java.util.Arrays
  Assigns the specified double value to each element of the specified array of doubles.
fill(double[], int, int, double) - Static method in class java.util.Arrays
  Assigns the specified double value to each element of the specified range of the specified array of doubles.
fill(float[], float) - Static method in class java.util.Arrays
  Assigns the specified float value to each element of the specified array of floats.
fill(float[], int, int, float) - Static method in class java.util.Arrays
  Assigns the specified float value to each element of the specified range of the specified array of floats.
fill(int[], int) - Static method in class java.util.Arrays
  Assigns the specified int value to each element of the specified array of ints.
fill(int[], int, int, int) - Static method in class java.util.Arrays
  Assigns the specified int value to each element of the specified range of the specified array of ints.
fill(List, Object) - Static method in class java.util.Collections
  Replaces all of the elements of the specified list with the specified element.
fill(long[], int, int, long) - Static method in class java.util.Arrays
  Assigns the specified long value to each element of the specified range of the specified array of longs.
fill(long[], long) - Static method in class java.util.Arrays
  Assigns the specified long value to each element of the specified array of longs.
fill(Object[], int, int, Object) - Static method in class java.util.Arrays
  Assigns the specified Object reference to each element of the specified range of the specified array of Objects.
fill(Object[], Object) - Static method in class java.util.Arrays
  Assigns the specified Object reference to each element of the specified array of Objects.
fill(short[], int, int, short) - Static method in class java.util.Arrays
  Assigns the specified short value to each element of the specified range of the specified array of shorts.
fill(short[], short) - Static method in class java.util.Arrays
  Assigns the specified short value to each element of the specified array of shorts.
fillInStackTrace() - Method in class java.lang.Throwable
  Fills in the execution stack trace.
FILTERED - Static variable in class java.util.zip.Deflater
  Compression strategy best used for data consisting mostly of small values with a somewhat random distribution.
FilterInputStream - class java.io.FilterInputStream.
  A `FilterInputStream` contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
FilterInputStream(InputStream) - Constructor for class java.io.FilterInputStream
  Creates a `FilterInputStream` by assigning the argument `in` to the field `this.in` so as to remember it for later use.
FilterOutputStream - class java.io.FilterOutputStream.
  This class is the superclass of all classes that filter output streams.
FilterOutputStream(OutputStream) - Constructor for class java.io.FilterOutputStream
  Creates an output stream filter built on top of the specified underlying output stream.
FilterReader - class java.io.FilterReader.
  Abstract class for reading filtered character streams.
FilterReader(Reader) - Constructor for class java.io.FilterReader
  Create a new filtered reader.
FilterWriter - class java.io.FilterWriter.
  Abstract class for writing filtered character streams.
FilterWriter(Writer) - Constructor for class java.io.FilterWriter
  Create a new filtered writer.
FINAL - Static variable in class java.lang.reflect.Modifier
  The `int` value representing the `final` modifier.
finalize() - Method in class java.io.FileOutputStream
  Cleans up the connection to the file, and ensures that the `close` method of this file output stream is called when there are no more references to this stream.
finalize() - Method in class java.io.FileInputStream
  Ensures that the `close` method of this file input stream is called when there are no more references to it.
finalize() - Method in class java.lang.Object
  Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
finalize() - Method in class java.util.zip.ZipFile
  Ensures that the `close` method of this ZIP file is called when there are no more references to it.
finalize() - Method in class java.util.zip.Deflater
  Closes the compressor when garbage is collected.
finalize() - Method in class java.util.zip.Inflater
  Closes the decompressor when garbage is collected.
findClass(String) - Method in class java.lang.ClassLoader
  Finds the specified class.
findClass(String) - Method in class java.net.URLClassLoader
  Finds and loads the class with the specified name from the URL search path.
findLibrary(String) - Method in class java.lang.ClassLoader
  Returns the absolute path name of a native library.
findLoadedClass(String) - Method in class java.lang.ClassLoader
  Finds the class with the given name if it had been previously loaded through this class loader.
findResource(String) - Method in class java.lang.ClassLoader
  Finds the resource with the given name.
findResource(String) - Method in class java.net.URLClassLoader
  Finds the resource with the specified name on the URL search path.
findResources(String) - Method in class java.lang.ClassLoader
  Returns an Enumeration of URLs representing all the resources with the given name.
findResources(String) - Method in class java.net.URLClassLoader
  Returns an Enumeration of URLs representing all of the resources on the URL search path having the specified name.
findSystemClass(String) - Method in class java.lang.ClassLoader
  Finds a class with the specified name, loading it if necessary.
finish() - Method in class java.util.zip.DeflaterOutputStream
  Finishes writing compressed data to the output stream without closing the underlying stream.
finish() - Method in class java.util.zip.ZipOutputStream
  Finishes writing the contents of the ZIP output stream without closing the underlying stream.
finish() - Method in class java.util.zip.GZIPOutputStream
  Finishes writing compressed data to the output stream without closing the underlying stream.
finish() - Method in class java.util.zip.Deflater
  When called, indicates that compression should end with the current contents of the input buffer.
finished() - Method in class java.util.zip.Deflater
  Returns true if the end of the compressed data output stream has been reached.
finished() - Method in class java.util.zip.Inflater
  Return true if the end of the compressed data stream has been reached.
first() - Method in interface java.text.CharacterIterator
  Sets the position to getBeginIndex() and returns the character at that position.
first() - Method in class java.text.StringCharacterIterator
  Implements CharacterIterator.first() for String.
first() - Method in class java.text.BreakIterator
  Return the first boundary.
first() - Method in class java.util.TreeSet
  Returns the first (lowest) element currently in this sorted set.
first() - Method in interface java.util.SortedSet
  Returns the first (lowest) element currently in this sorted set.
firstElement() - Method in class java.util.Vector
  Returns the first component (the item at index `0`) of this vector.
firstKey() - Method in class java.util.TreeMap
  Returns the first (lowest) key currently in this sorted map.
firstKey() - Method in interface java.util.SortedMap
  Returns the first (lowest) key currently in this sorted map.
flipBit(int) - Method in class java.math.BigInteger
  Returns a BigInteger whose value is equivalent to this BigInteger with the designated bit flipped.
Float - class java.lang.Float.
  The Float class wraps a value of primitive type `float` in an object.
Float(double) - Constructor for class java.lang.Float
  Constructs a newly allocated `Float`object that represents the argument converted to type `float`.
Float(float) - Constructor for class java.lang.Float
  Constructs a newly allocated `Float` object that represents the primitive `float` argument.
Float(String) - Constructor for class java.lang.Float
  Constructs a newly allocated `Float` object that represents the floating-point value of type `float` represented by the string.
floatToIntBits(float) - Static method in class java.lang.Float
  Returns the bit represention of a single-float value.
floatToRawIntBits(float) - Static method in class java.lang.Float
  Returns the bit represention of a single-float value.
floatValue() - Method in class java.lang.Number
  Returns the value of the specified number as a `float`.
floatValue() - Method in class java.lang.Long
  Returns the value of this Long as a float.
floatValue() - Method in class java.lang.Short
  Returns the value of this Short as a float.
floatValue() - Method in class java.lang.Float
  Returns the float value of this `Float` object.
floatValue() - Method in class java.lang.Integer
  Returns the value of this Integer as a `float`.
floatValue() - Method in class java.lang.Byte
  Returns the value of this Byte as a float.
floatValue() - Method in class java.lang.Double
  Returns the float value of this Double.
floatValue() - Method in class java.math.BigInteger
  Converts this BigInteger to a float.
floor(double) - Static method in class java.lang.StrictMath
  Returns the largest (closest to positive infinity) `double` value that is not greater than the argument and is equal to a mathematical integer.
floor(double) - Static method in class java.lang.Math
  Returns the largest (closest to positive infinity) `double` value that is not greater than the argument and is equal to a mathematical integer.
flush() - Method in class java.io.Writer
  Flush the stream.
flush() - Method in class java.io.FilterWriter
  Flush the stream.
flush() - Method in class java.io.OutputStream
  Flushes this output stream and forces any buffered output bytes to be written out.
flush() - Method in class java.io.FilterOutputStream
  Flushes this output stream and forces any buffered output bytes to be written out to the stream.
flush() - Method in class java.io.PrintStream
  Flush the stream.
flush() - Method in class java.io.PipedWriter
  Flushes this output stream and forces any buffered output characters to be written out.
flush() - Method in class java.io.DataOutputStream
  Flushes this data output stream.
flush() - Method in interface java.io.ObjectOutput
  Flushes the stream.
flush() - Method in class java.io.StringWriter
  Flush the stream.
flush() - Method in class java.io.OutputStreamWriter
  Flush the stream.
flush() - Method in class java.io.PrintWriter
  Flush the stream.
flush() - Method in class java.io.ObjectOutputStream
  Flushes the stream.
flush() - Method in class java.io.BufferedOutputStream
  Flushes this buffered output stream.
flush() - Method in class java.io.CharArrayWriter
  Flush the stream.
flush() - Method in class java.io.PipedOutputStream
  Flushes this output stream and forces any buffered output bytes to be written out.
flush() - Method in class java.io.BufferedWriter
  Flush the stream.
following(int) - Method in class java.text.BreakIterator
  Return the first boundary following the specified offset.
forClass() - Method in class java.io.ObjectStreamClass
  Return the class in the local VM that this version is mapped to.
forDigit(int, int) - Static method in class java.lang.Character
  Determines the character representation for a specific digit in the specified radix.
Format - class java.text.Format.
  `Format` is an abstract base class for formatting locale-sensitive information such as dates, messages, and numbers.
FORMAT - Static variable in class java.lang.Character
  Public data for enumerated Unicode general category types.
Format() - Constructor for class java.text.Format
format(Date) - Method in class java.text.DateFormat
  Formats a Date into a date/time string.
format(Date, StringBuffer, FieldPosition) - Method in class java.text.DateFormat
  Formats a Date into a date/time string.
format(Date, StringBuffer, FieldPosition) - Method in class java.text.SimpleDateFormat
  Overrides DateFormat
format(double) - Method in class java.text.NumberFormat
  Specialization of format.
format(double, StringBuffer, FieldPosition) - Method in class java.text.NumberFormat
  Specialization of format.
format(double, StringBuffer, FieldPosition) - Method in class java.text.ChoiceFormat
  Returns pattern with formatted double.
format(double, StringBuffer, FieldPosition) - Method in class java.text.DecimalFormat
  Formats a double to produce a string.
format(long) - Method in class java.text.NumberFormat
  Specialization of format.
format(long, StringBuffer, FieldPosition) - Method in class java.text.NumberFormat
  Specialization of format.
format(long, StringBuffer, FieldPosition) - Method in class java.text.ChoiceFormat
  Specialization of format.
format(long, StringBuffer, FieldPosition) - Method in class java.text.DecimalFormat
  Format a long to produce a string.
format(Object) - Method in class java.text.Format
  Formats an object to produce a string.
format(Object[], StringBuffer, FieldPosition) - Method in class java.text.MessageFormat
  Returns pattern with formatted objects.
format(Object, StringBuffer, FieldPosition) - Method in class java.text.Format
  Formats an object to produce a string.
format(Object, StringBuffer, FieldPosition) - Method in class java.text.NumberFormat
  Formats an object to produce a string.
format(Object, StringBuffer, FieldPosition) - Method in class java.text.DateFormat
  Overrides Format.
format(Object, StringBuffer, FieldPosition) - Method in class java.text.MessageFormat
  Returns pattern with formatted objects.
format(String, Object[]) - Static method in class java.text.MessageFormat
  Convenience routine.
forName(String) - Static method in class java.lang.Class
  Returns the `Class` object associated with the class or interface with the given string name.
forName(String, boolean, ClassLoader) - Static method in class java.lang.Class
  Returns the `Class` object associated with the class or interface with the given string name, using the given class loader.
FRACTION_FIELD - Static variable in class java.text.NumberFormat
  Field constant used to construct a FieldPosition object.
FRANCE - Static variable in class java.util.Locale
  Useful constant for country.
freeMemory() - Method in class java.lang.Runtime
  Returns the amount of free memory in the system.
FRENCH - Static variable in class java.util.Locale
  Useful constant for language.
FRIDAY - Static variable in class java.util.Calendar
  Value of the `DAY_OF_WEEK` field indicating Friday.
FULL - Static variable in class java.text.DateFormat
  Constant for full style pattern.
FULL_DECOMPOSITION - Static variable in class java.text.Collator
  Decomposition mode value.

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