Java.io.CharArrayReader Class

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Introduction

The Java.io.CharArrayReader class implements a character buffer that can be used as a character-input stream.

Class declaration

Following is the declaration for Java.io.CharArrayReader class −

public class CharArrayReader
   extends Reader

Field

Following are the fields for Java.io.CharArrayReader class −

  • protected char[] buf − This is the character buffer.

  • protected int count − This is the index of the end of this buffer.

  • protected int markedPos − This is the position of mark in buffer.

  • protected int pos − This is the current buffer position.

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

Class constructors

Sr.No. Constructor & Description
1

CharArrayReader(char[] buf)

This creates a CharArrayReader from the specified array of chars.
2

CharArrayReader(char[] buf, int offset, int length)

This creates a CharArrayReader from the specified array of chars.

Class methods

Sr.No. Method & Description
1 void close()

This method closes the stream and releases any system resources associated with it.
2 void mark(int readAheadLimit)

This method marks the present position in the stream.
3 boolean markSupported()

This method tells whether this stream supports the mark() operation, which it does.
4 int read()

This method reads a single character.
5 int read(char[] b, int off, int len)

This method Reads characters into a portion of an array.
6 boolean ready()

This method tells whether this stream is ready to be read.
7 void reset()

This method resets the stream to the most recent mark, or to the beginning if it has never been marked.
8 long skip(long n)

This method skips characters.

Methods inherited

This class inherits methods from the following classes −

  • Java.io.Reader
  • Java.io.Object
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