- 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.FilterInputStream.reset() Method
Description
The java.io.FilterInputStream.reset() method repositions this stream to the position at the time the mark() method was last invoked on this input stream.
Declaration
Following is the declaration for java.io.FilterInputStream.reset() method −
public void reset()
Parameters
NA
Return Value
The method does not return any value.
Exception
IOException − If the mark is invalidated or the stream is not marked.l
Example
The following example shows the usage of java.io.FilterInputStream.reset() method.
package com.tutorialspoint; import java.io.BufferedInputStream; import java.io.FileInputStream; import java.io.FilterInputStream; import java.io.IOException; import java.io.InputStream; public class FilterInputStreamDemo { public static void main(String[] args) throws Exception { InputStream is = null; FilterInputStream fis = null; try { // create input streams is = new FileInputStream("C://test.txt"); fis = new BufferedInputStream(is); // reads and prints filter input stream System.out.println((char)fis.read()); System.out.println((char)fis.read()); // mark invoked at this position fis.mark(0); System.out.println("mark() invoked"); System.out.println((char)fis.read()); System.out.println((char)fis.read()); // reset() repositioned the stream to the mark fis.reset(); System.out.println("reset() invoked"); System.out.println((char)fis.read()); System.out.println((char)fis.read()); } catch(IOException e) { // if any I/O error occurs e.printStackTrace(); } finally { // releases any system resources associated with the stream if(is!=null) is.close(); if(fis!=null) fis.close(); } } }
Assuming we have a text file c:/test.txt, which has the following content. This file will be used as an input for our example program −
ABCDEF
Let us compile and run the above program, this will produce the following result −
A B mark() invoked C D reset() invoked C D
java_io_filterinputstream.htm
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