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FileReader

public class FileReader
extends InputStreamReader

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

Convenience class for reading character files. The constructors of this class assume that the default character encoding and the default byte-buffer size are appropriate. To specify these values yourself, construct an InputStreamReader on a FileInputStream.

FileReader is meant for reading streams of characters. For reading streams of raw bytes, consider using a FileInputStream.

See also:

Summary

Inherited fields

From class java.io.Reader


    protected
    
    
    Object

lock

The object used to synchronize operations on this stream.

Public constructors
`FileReader(String fileName)` Creates a new `FileReader`, given the name of the file to read from.
`FileReader(File file)` Creates a new `FileReader`, given the `File` to read from.
`FileReader(FileDescriptor fd)` Creates a new `FileReader`, given the `FileDescriptor` to read from.

Inherited methods

From class


        
          java.io.InputStreamReader

`void`	`close()` Closes the stream and releases any system resources associated with it.
`String`	`getEncoding()` Returns the name of the character encoding being used by this stream.
`int`	`read()` Reads a single character.
`int`	`read(char[] cbuf, int offset, int length)` Reads characters into a portion of an array.
`boolean`	`ready()` Tells whether this stream is ready to be read.

From class


        
          java.io.Reader

`abstract void`	`close()` Closes the stream and releases any system resources associated with it.
`void`	`mark(int readAheadLimit)` Marks the present position in the stream.
`boolean`	`markSupported()` Tells whether this stream supports the mark() operation.
`int`	`read()` Reads a single character.
`abstract int`	`read(char[] cbuf, int off, int len)` Reads characters into a portion of an array.
`int`	`read(char[] cbuf)` Reads characters into an array.
`int`	`read(CharBuffer target)` Attempts to read characters into the specified character buffer.
`boolean`	`ready()` Tells whether this stream is ready to be read.
`void`	`reset()` Resets the stream.
`long`	`skip(long n)` Skips characters.

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

From interface


        
          java.lang.Readable


      read(CharBuffer cb)

Attempts to read characters into the specified character buffer.

From interface


        
          java.io.Closeable


      close()

Closes this stream and releases any system resources associated with it.

From interface


        
          java.lang.AutoCloseable


      close()

Closes this resource, relinquishing any underlying resources.

Public constructors

FileReader

public FileReader (String fileName)

Creates a new FileReader, given the name of the file to read from.

Parameters
`fileName`	`String`: the name of the file to read from

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)

Creates a new FileReader, given the File to read from.

Parameters
`file`	`File`: the `File` to read from

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 new FileReader, given the FileDescriptor to read from.

Parameters
`fd`	`FileDescriptor`: the FileDescriptor to read from

Interfaces

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Exceptions

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