java.lang.Object
java.io.InputStream
- All Implemented Interfaces:
- Closeable
- Direct Known Subclasses:
- AudioInputStream, ByteArrayInputStream, FileInputStream, FilterInputStream, InputStream, ObjectInputStream, PipedInputStream, SequenceInputStream, StringBufferInputStream
- See Also:
- Top Examples, Source Code,
BufferedInputStream,
DataInputStream,
read(),
OutputStream,
PushbackInputStream
public int available()
throws IOException- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public void close()
throws IOException- See Also:
- Closeable
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
[1142]Delete a file even when the InputStream related to it is open
By Farrukh Mahmood on 2005/03/20 17:44:48 Rate
I am able to delete a file even when the InputStream related to it is open.[1364]Read a page over HTTP
By Anonymous on 2005/05/20 18:38:47 Rate
InputStream in = new URL ( "http://www.kickjava.com" ) .openStream ( ) ;
try {
InputStreamReader inR = new InputStreamReader ( in ) ;
BufferedReader buf = new BufferedReader ( inR ) ;
String line;
while ( ( line = buf.readLine ( ) ) != null ) {
System.out.println ( line ) ;
}
} finally {
in.close ( ) ;
}
public InputStream()
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
[1787]Getting Values From Console &Writing It To A File
By RM on 2006/07/14 04:46:01 Rate
import java.io.*;
public class GettingValuesFromConsoleWritingToFile {
public static void main ( String [ ] args ) throws IOException {
System.out.println ( "Enter your Name/Sex/age" ) ;
InputStreamReader lsInputReader = new InputStreamReader ( System.in ) ;
BufferedReader lsBufferedReader = new BufferedReader ( lsInputReader ) ;
String lsInput = null;
while ( ( lsInput=lsBufferedReader.readLine ( ) ) !=null )
{
System.out.println ( lsInput ) ;
File file = new File ( "C:/YourFile.txt" ) ;
boolean isFile = file.exists ( ) ;
if ( !isFile )
{
file.createNewFile ( ) ;
System.out.println ( "File has been created at > C:/YourFile.txt" ) ;
BufferedWriter out = new BufferedWriter ( new FileWriter ( file ) ) ;
out.write ( lsInput ) ;
out.close ( ) ;
}
else
{
System.out.println ( "Find ur File at > C:/YourFile.txt" ) ;
}
}
}
}
public void mark(int readlimit)
- See Also:
reset()
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public boolean markSupported()
- See Also:
reset(), mark(int)
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public abstract int read()
throws IOException- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public int read(byte[] b)
throws IOException- See Also:
read(byte[], int, int), NullPointerException
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public int read(byte[] b,
int off,
int len)
throws IOException- See Also:
read(), NullPointerException
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
[1749]Returns the contents of the file in a byte array
By Anonymous on 2006/04/28 00:30:40 Rate
// Returns the contents of the file in a byte array.
public static byte [ ] getBytesFromFile ( File file ) throws IOException {
InputStream is = new FileInputStream ( file ) ;
// Get the size of the file
long length = file.length ( ) ;
// You cannot create an array using a long type.
// It needs to be an int type.
// Before converting to an int type, check
// to ensure that file is not larger than Integer.MAX_VALUE.
if ( length > Integer.MAX_VALUE ) {
// File is too large
}
// Create the byte array to hold the data
byte [ ] bytes = new byte [ ( int ) length ] ;
// Read in the bytes
int offset = 0;
int numRead = 0;
while ( offset < bytes.length
&& ( numRead=is.read ( bytes, offset, bytes.length-offset ) ) > = 0 ) {
offset += numRead;
}
// Ensure all the bytes have been read in
if ( offset < bytes.length ) {
throw new IOException ( "Could not completely read file "+file.getName ( ) ) ;
}
// Close the input stream and return bytes
is.close ( ) ;
return bytes;
} [2004]Fix while error
By Mike { dot } dever { dot } ctr { at } dla { dot } mil on 2009/12/31 14:04:38 Rate
public static byte [ ] getBytesFromFile ( File file )
throws IOException
{
InputStream is = new FileInputStream ( file ) ;
// Get the size of the file
long length = file.length ( ) ;
// You cannot create an array using a long type.
// It needs to be an int type.
// Before converting to an int type, check
// to ensure that file is not larger than Integer.MAX_VALUE.
if ( length > Integer.MAX_VALUE )
{
// File is too large
throw new IOException ( "File Too Large For Buffer" ) ;
}
// Create the byte array to hold the data
byte [ ] bytes = new byte [ ( int ) length ] ;
// Read in the bytes
int offset = 0;
int numRead = 0;
while ( ( offset < bytes.length ) && ( ( numRead = is.read ( bytes, offset, offset ) ) > = 0 ) )
{
offset += numRead;
}
// Ensure all the bytes have been read in
if ( offset < bytes.length )
{
throw new IOException ( "Could not completely read file " + file.getName ( ) ) ;
}
// Close the input stream and return bytes
is.close ( ) ;
return bytes;
}
public void reset()
throws IOException- See Also:
-
mark(int)
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public long skip(long n)
throws IOException- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
Java API By Example, From Geeks To Geeks.