List of Stream Class Constructors for Quick Reference

This is a quick reference of constructors for various Stream classes.

You can quickly find out what all type of resources or streams a Stream class can be attached with. For instance, a BufferedReader do not have a constructor that can accept an InputStream, however an InputStreamReader has such a constructor that can accept an InputStream. So to use an InputStream such as System.in, we can attach it to an InputStreamReader and then attach the InputStreamReader to a BufferedReader as:

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

 

InputStream Classes

AudioInputStream

  • AudioInputStream(InputStream stream, AudioFormat format, long length)

  • AudioInputStream(TargetDataLine line)

ByteArrayInputStream

  • ByteArrayInputStream(byte[] buf)

  • ByteArrayInputStream(byte[] buf, int offset, int length)

FileInputStream

  • FileInputStream(File file)

  • FileInputStream(FileDescriptor fdObj)

  • FileInputStream(String name)

FilterInputStream

  • FilterInputStream(InputStream in)

ObjectInputStream

  • ObjectInputStream()

  • ObjectInputStream(InputStream in)

PipedInputStream

  • PipedInputStream()

  • PipedInputStream(int pipeSize)

  • PipedInputStream(PipedOutputStream src)

  • PipedInputStream(PipedOutputStream src, int pipeSize)

SequenceInputStream

  • SequenceInputStream(Enumeration<? extends InputStream> e)

  • SequenceInputStream(InputStream s1, InputStream s2)

 

FilterInputStream Subclasses

BufferedInputStream

  • BufferedInputStream(InputStream in)

  • BufferedInputStream(InputStream in, int size)

CheckedInputStream

  • CheckedInputStream(InputStream in, Checksum cksum)

CipherInputStream

  • CipherInputStream(InputStream is)

  • CipherInputStream(InputStream is, Cipher c)

DataInputStream

  • DataInputStream(InputStream in)

DeflaterInputStream

  • DeflaterInputStream(InputStream in)

  • DeflaterInputStream(InputStream in, Deflater defl)

  • DeflaterInputStream(InputStream in, Deflater defl, int bufLen)

DigestInputStream

  • DigestInputStream(InputStream stream, MessageDigest digest)

InflaterInputStream

  • InflaterInputStream(InputStream in)

  • InflaterInputStream(InputStream in, Inflater inf)

  • InflaterInputStream(InputStream in, Inflater inf, int size)

ProgressMonitorInputStream

  • ProgressMonitorInputStream(Component parentComponent, Object message, InputStream in)

PushbackInputStream

  • PushbackInputStream(InputStream in)

  • PushbackInputStream(InputStream in, int size)

 

OutputStream Classes

ByteArrayOutputStream

  • ByteArrayOutputStream()

  • ByteArrayOutputStream(int size)

FileOutputStream

  • FileOutputStream(File file)

  • FileOutputStream(File file, boolean append)

  • FileOutputStream(FileDescriptor fdObj)

  • FileOutputStream(String name)

  • FileOutputStream(String name, boolean append)

FilterOutputStream

  • FilterOutputStream(OutputStream out)

ObjectOutputStream

  • ObjectOutputStream()

  • ObjectOutputStream(OutputStream out)

OutputStream

  • OutputStream()

PipedOutputStream

  • PipedOutputStream()

  • PipedOutputStream(PipedInputStream snk)

 

FilterOutputStream Subclasses

PrintStream

  • PrintStream(File file)

  • PrintStream(File file, String csn)

  • PrintStream(OutputStream out)

  • PrintStream(OutputStream out, boolean autoFlush)

  • PrintStream(OutputStream out, boolean autoFlush, String encoding)

  • PrintStream(String fileName)

  • PrintStream(String fileName, String csn)

BufferedOutputStream

  • BufferedOutputStream(OutputStream out)

  • BufferedOutputStream(OutputStream out, int size)

CheckedOutputStream

  • CheckedOutputStream(OutputStream out, Checksum cksum)

CipherOutputStream

  • CipherOutputStream(OutputStream os)

  • CipherOutputStream(OutputStream os, Cipher c)

DataOutputStream

  • DataOutputStream(OutputStream out)

DeflaterOutputStream

  • DeflaterOutputStream(OutputStream out)

  • DeflaterOutputStream(OutputStream out, boolean syncFlush)

  • DeflaterOutputStream(OutputStream out, Deflater def)

  • DeflaterOutputStream(OutputStream out, Deflater def, boolean syncFlush)

  • DeflaterOutputStream(OutputStream out, Deflater def, int size)

  • DeflaterOutputStream(OutputStream out, Deflater def, int size, boolean syncFlush)

DigestOutputStream

  • DigestOutputStream(OutputStream stream, MessageDigest digest)

InflaterOutputStream

  • InflaterOutputStream(OutputStream out)

  • InflaterOutputStream(OutputStream out, Inflater infl)

  • InflaterOutputStream(OutputStream out, Inflater infl, int bufLen)

 

Reader Classes

BufferedReader

  • BufferedReader(Reader in)

  • BufferedReader(Reader in, int sz)

CharArrayReader

  • CharArrayReader(char[] buf)

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

FilterReader

  • FilterReader(Reader in)

InputStreamReader

  • InputStreamReader(InputStream in)

  • InputStreamReader(InputStream in, Charset cs)

  • InputStreamReader(InputStream in, CharsetDecoder dec)

  • InputStreamReader(InputStream in, String charsetName)

PipedReader

  • PipedReader()

  • PipedReader(int pipeSize)

  • PipedReader(PipedWriter src)

  • PipedReader(PipedWriter src, int pipeSize)

StringReader

StringReader(String s)

LineNumberReader

  • LineNumberReader(Reader in)

  • LineNumberReader(Reader in, int sz)

PushbackReader

  • PushbackReader(Reader in)

  • PushbackReader(Reader in, int size)

FileReader

  • FileReader(File file)

  • FileReader(FileDescriptor fd)

  • FileReader(String fileName)

 

Writer Classes

BufferedWriter

  • BufferedWriter(Writer out)

  • BufferedWriter(Writer out, int sz)

CharArrayWriter

  • CharArrayWriter()

  • CharArrayWriter(int initialSize)

FilterWriter

  • FilterWriter(Writer out)

OutputStreamWriter

  • OutputStreamWriter(OutputStream out)

  • OutputStreamWriter(OutputStream out, Charset cs)

  • OutputStreamWriter(OutputStream out, CharsetEncoder enc)

  • OutputStreamWriter(OutputStream out, String charsetName)

PipedWriter

  • PipedWriter()

  • PipedWriter(PipedReader snk)

PrintWriter

  • PrintWriter(File file)

  • PrintWriter(File file, String csn)

  • PrintWriter(OutputStream out)

  • PrintWriter(OutputStream out, boolean autoFlush)

  • PrintWriter(String fileName)

  • PrintWriter(String fileName, String csn)

  • PrintWriter(Writer out)

  • PrintWriter(Writer out, boolean autoFlush)

StringWriter

  • StringWriter()

  • StringWriter(int initialSize)

FileWriter

  • FileWriter(File file)

  • FileWriter(File file, boolean append)

  • FileWriter(FileDescriptor fd)

  • FileWriter(String fileName)

  • FileWriter(String fileName, boolean append)

 

You can refer to oracle documentation for more details and explanations. Just do a google search (e.g. 'FileReader java 7') and you can find the oracle documentation for the class.

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