- Java.io package classes
- Java.io - Home
- Java.io - BufferedInputStream
- Java.io - BufferedOutputStream
- Java.io - BufferedReader
- Java.io - BufferedWriter
- Java.io - ByteArrayInputStream
- Java.io - ByteArrayOutputStream
- Java.io - CharArrayReader
- Java.io - CharArrayWriter
- Java.io - Console
- Java.io - DataInputStream
- Java.io - DataOutputStream
- Java.io - File
- Java.io - FileDescriptor
- Java.io - FileInputStream
- Java.io - FileOutputStream
- Java.io - FilePermission
- Java.io - FileReader
- Java.io - FileWriter
- Java.io - FilterInputStream
- Java.io - FilterOutputStream
- Java.io - FilterReader
- Java.io - FilterWriter
- Java.io - InputStream
- Java.io - InputStreamReader
- Java.io - LineNumberInputStream
- Java.io - LineNumberReader
- Java.io - ObjectInputStream
- Java.io - ObjectInputStream.GetField
- Java.io - ObjectOutputStream
- io - ObjectOutputStream.PutField
- Java.io - ObjectStreamClass
- Java.io - ObjectStreamField
- Java.io - OutputStream
- Java.io - OutputStreamWriter
- Java.io - PipedInputStream
- Java.io - PipedOutputStream
- Java.io - PipedReader
- Java.io - PipedWriter
- Java.io - PrintStream
- Java.io - PrintWriter
- Java.io - PushbackInputStream
- Java.io - PushbackReader
- Java.io - RandomAccessFile
- Java.io - Reader
- Java.io - SequenceInputStream
- Java.io - SerializablePermission
- Java.io - StreamTokenizer
- Java.io - StringBufferInputStream
- Java.io - StringReader
- Java.io - StringWriter
- Java.io - Writer
- Java.io package extras
- Java.io - Interfaces
- Java.io - Exceptions
- Java.io package Useful Resources
- Java.io - Discussion
Java.io.FilterReader.read() Method
Description
The java.io.FilterReader.mark(int readAheadLimit) method reads a single character and return as an integer in the range 0 to 65535.
Declaration
Following is the declaration for java.io.FilterReader.read() method −
public int read()
Parameters
NA
Return Value
This method returns the character read, as an integer in the range 0 to 65535, -1 if the end of the stream is reached.
Exception
IOException − If an I/O error occurs.
Example
The following example shows the usage of java.io.FilterReader.read() method.
package com.tutorialspoint; import java.io.FilterReader; import java.io.Reader; import java.io.StringReader; public class FilterReaderDemo { public static void main(String[] args) throws Exception { FilterReader fr = null; Reader r = null; int i = 0; char c; try { // create new reader r = new StringReader("ABCDEF"); // create new filter reader fr = new FilterReader(r) { }; // read till the end of the stream while((i = fr.read())!=-1) { // converts integer to character c = (char)i; // print System.out.println("Character read: "+c); } } catch(Exception e) { // if any I/O error occurs e.printStackTrace(); } finally { // releases system resources associated with this stream if(r!=null) r.close(); if(fr!=null) fr.close(); } } }
Let us compile and run the above program, this will produce the following result −
Character read: A Character read: B Character read: C Character read: D Character read: E Character read: F
java_io_filterreader.htm
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