Java.io.FileReader Class


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Introduction

The Java.io.FileReader class is a convenience class for reading character files.Following are the important points about FileReader:

  • The constructors of this class assume that the default character encoding and the default byte-buffer size are appropriate.

  • FileReader is meant for reading streams of characters. For reading streams of raw bytes, use FileInputStream.

Class declaration

Following is the declaration for Java.io.FileReader class:

public class FileReader
   extends InputStreamReader

Field

Following are the fields for Java.io.FileReader class:

  • protected Object lock -- This is the object used to synchronize operations on this stream.

Class constructors

S.N. Constructor & Description
1

FileReader(File file)

This creates a new FileReader, given the File to read from.

2

FileReader(FileDescriptor file)

This creates a new FileReader, given the FileDescriptor to read from.

3

FileReader(String fileName)

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

Class Methods

This class inherits methods from the following classes:

  • Java.io.InputStreamReader
  • java.uti.Reader
  • Java.io.Object


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