Closeable, Flushable, Appendable, AutoCloseable
Writes text to character files using a default buffer size. Encoding from characters to bytes uses either a specified
charsetor the
default charset.
Whether or not a file is available or may be created depends upon the underlying platform. Some platforms, in particular, allow a file to be opened for writing by only one FileWriter (or other file-writing object) at a time. In such situations the constructors in this class will fail if the file involved is already open.
The FileWriter is meant for writing streams of characters. For writing streams of raw bytes, consider using a FileOutputStream.
Constructors
Constructs a
FileWriter
given a file descriptor, using the
default charset.
Constructs a
FileWriter
given the
File
to write and a boolean indicating whether to append the data written, using the
default charset.
Constructs a
FileWriter
given the
File
to write and
charset.
Constructs a
FileWriter
given the
File
to write,
charsetand a boolean indicating whether to append the data written.
Constructs a
FileWriter
given a file name and a boolean indicating whether to append the data written, using the
default charset.
Constructs a
FileWriter
given a file name and
charset.
Constructs a
FileWriter
given a file name,
charsetand a boolean indicating whether to append the data written.
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitfileName - String The system-dependent filename.
IOException - if the named file exists but is a directory rather than a regular file, does not exist but cannot be created, or cannot be opened for any other reason
Constructs a
FileWriter
given a file name and a boolean indicating whether to append the data written, using the
default charset.
fileName - String The system-dependent filename.
append - boolean if true, then data will be written to the end of the file rather than the beginning.
IOException - if the named file exists but is a directory rather than a regular file, does not exist but cannot be created, or cannot be opened for any other reason
file - the File to write.
IOException - if the file exists but is a directory rather than a regular file, does not exist but cannot be created, or cannot be opened for any other reason
Constructs a
FileWriter
given the
File
to write and a boolean indicating whether to append the data written, using the
default charset.
file - the File to write
append - if true, then bytes will be written to the end of the file rather than the beginning
IOException - if the file exists but is a directory rather than a regular file, does not exist but cannot be created, or cannot be opened for any other reason
Constructs a
FileWriter
given a file descriptor, using the
default charset.
fd - the FileDescriptor to write.
Constructs a
FileWriter
given a file name and
charset.
fileName - the name of the file to write
charset - the charset
IOException - if the named file exists but is a directory rather than a regular file, does not exist but cannot be created, or cannot be opened for any other reason
Constructs a
FileWriter
given a file name,
charsetand a boolean indicating whether to append the data written.
fileName - the name of the file to write
charset - the charset
append - a boolean. If true, the writer will write the data to the end of the file rather than the beginning.
IOException - if the named file exists but is a directory rather than a regular file, does not exist but cannot be created, or cannot be opened for any other reason
Constructs a
FileWriter
given the
File
to write and
charset.
file - the File to write
charset - the charset
IOException - if the file exists but is a directory rather than a regular file, does not exist but cannot be created, or cannot be opened for any other reason
Constructs a
FileWriter
given the
File
to write,
charsetand a boolean indicating whether to append the data written.
file - the File to write
charset - the charset
append - a boolean. If true, the writer will write the data to the end of the file rather than the beginning.
IOException - if the file exists but is a directory rather than a regular file, does not exist but cannot be created, or cannot be opened for any other reason
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