- 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.BufferedInputStream.mark() Method
Description
The java.io.BufferedInputStream.mark(int) method sets the limit of bytes by int value to be read before the mark postion becomes invalid.
Declaration
Following is the declaration for java.io.BufferedInputStream.mark() method.
public void mark(int readlimit)
Parameters
readLimit − Number of bytes to be read before the mark position gets invalid.
Return Value
This method does not return any value.
Exception
NA
Example
The following example shows the usage of java.io.BufferedInputStream.mark() method.
package com.tutorialspoint; import java.io.BufferedInputStream; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; public class BufferedInputStreamDemo { public static void main(String[] args) throws Exception { InputStream iStream = null; BufferedInputStream bis = null; try { // read from file c:/test.txt to input stream iStream = new FileInputStream("c:/test.txt"); // input stream converted to buffered input stream bis = new BufferedInputStream(iStream); // read and print characters one by one System.out.println("Char : "+(char)bis.read()); System.out.println("Char : "+(char)bis.read()); System.out.println("Char : "+(char)bis.read()); // mark is set on the input stream bis.mark(0); System.out.println("Char : "+(char)bis.read()); System.out.println("reset() invoked"); // reset is called bis.reset(); // read and print characters System.out.println("char : "+(char)bis.read()); System.out.println("char : "+(char)bis.read()); } catch(Exception e) { e.printStackTrace(); } finally { // releases any system resources associated with the stream if(iStream!=null) iStream.close(); if(bis!=null) bis.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 −
ABCDE
Let us compile and run the above program, this will produce the following result −
Char : A Char : B Char : C Char : D reset() invoked char : D char : E
java_io_bufferedinputstream.htm
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