Movatterモバイル変換

Class FileReader

java.lang.Object
- java.io.Reader
- - java.io.InputStreamReader
  - - java.io.FileReader

All Implemented Interfaces:
Closeable,AutoCloseable,Readable
```
public classFileReaderextendsInputStreamReader
```
Reads text from character files using a default buffer size. Decoding from bytes to characters uses either a specifiedcharset or the platform'sdefault charset.
TheFileReader is meant for reading streams of characters. For reading streams of raw bytes, consider using aFileInputStream.
Since:
1.1
See Also:
InputStreamReader,FileInputStream

Field Summary
- Fields declared in class java.io.Reader
  lock

Constructor Summary

Constructors
Constructor	Description
`FileReader(File file)`	Creates a new`FileReader`, given the`File` to read, using the platform'sdefault charset.
`FileReader(FileDescriptor fd)`	Creates a new`FileReader`, given the`FileDescriptor` to read, using the platform'sdefault charset.
`FileReader(File file,Charset charset)`	Creates a new`FileReader`, given the`File` to read and thecharset.
`FileReader(String fileName)`	Creates a new`FileReader`, given the name of the file to read, using the platform'sdefault charset.
`FileReader(String fileName,Charset charset)`	Creates a new`FileReader`, given the name of the file to read and thecharset.

Method Summary
- Methods declared in class java.io.InputStreamReader
  getEncoding,read,read,ready
- Methods declared in class java.io.Reader
  close,mark,markSupported,nullReader,read,read,reset,skip,transferTo
- Methods declared in class java.lang.Object
  clone,equals,finalize,getClass,hashCode,notify,notifyAll,toString,wait,wait,wait

- Constructor Detail
  - FileReader
```
public FileReader(String fileName)           throwsFileNotFoundException
```
    Creates a newFileReader, given the name of the file to read, using the platform'sdefault charset.
    Parameters:
    fileName - the name of the file to read
    Throws:
    FileNotFoundException - if the named file does not exist, is a directory rather than a regular file, or for some other reason cannot be opened for reading.
  - FileReader
```
public FileReader(File file)           throwsFileNotFoundException
```
    Creates a newFileReader, given theFile to read, using the platform'sdefault charset.
    Parameters:
    file - theFile to read
    Throws:
    FileNotFoundException - if the file does not exist, is a directory rather than a regular file, or for some other reason cannot be opened for reading.
  - FileReader
```
public FileReader(FileDescriptor fd)
```
    Creates a newFileReader, given theFileDescriptor to read, using the platform'sdefault charset.
    Parameters:
    fd - theFileDescriptor to read
  - FileReader
```
public FileReader(String fileName,Charset charset)           throwsIOException
```
    Creates a newFileReader, given the name of the file to read and thecharset.
    Parameters:
    fileName - the name of the file to read
    charset - thecharset
    Throws:
    IOException - if the named file does not exist, is a directory rather than a regular file, or for some other reason cannot be opened for reading.
    Since:
    11
  - FileReader
```
public FileReader(File file,Charset charset)           throwsIOException
```
    Creates a newFileReader, given theFile to read and thecharset.
    Parameters:
    file - theFile to read
    charset - thecharset
    Throws:
    IOException - if the file does not exist, is a directory rather than a regular file, or for some other reason cannot be opened for reading.
    Since:
    11

Movatterモバイル変換

Class FileReader

Field Summary

Fields declared in class java.io.Reader

Constructor Summary

Method Summary

Methods declared in class java.io.InputStreamReader

Methods declared in class java.io.Reader

Methods declared in class java.lang.Object

Constructor Detail

FileReader

FileReader

FileReader

FileReader

FileReader