point.comJava ByteArrayOutputStream Class
In Java, the ByteArrayOutputStream class stream creates a buffer in memory. All the data sent to the stream to stored in the buffer.
Syntax:
public class ByteArrayOutputStream extends OutputStream
ByteArrayOutputStream Class Constructors
| S.No | Constructor | Description |
|---|---|---|
| 1 | ByteArrayOutputStream() | It creates a ByteArrayOutput stream having buffer of 32 bytes. Its size may be increase if necessary. |
| 2 | ByteArrayOutputStream(int size) | It creates a ByteArrayOutput stream with a buffer of the given size. |
ByteArrayOutputStream Class Methods
| 1 | byte[] toByteArray() | This method is used to create a newly allocated byte array. |
| 2 | public String toString() | This method is used to convert buffer content into a string. |
| 3 | void write(int a) | It is used to writes the specified array to the output stream. |
| 4 | void write(byte[] a, int off, int len | This method is used to writes len number of bytes starting from offset off to the byte array output stream. |
| 5 | public void writeTo(OutputStream ot) | It is used to writes the entire content of this Stream to the specified output stream. |
| 6 | void close() | This method is used for closing a ByteArrayOutputStream. |
| 7 | void reset() | This method is used to reset the number of valid bytes of the byte array output stream to zero. |
Example:
import java.io.*;
public class ByteArrayOutputStreamDemo{
public static void main(String args[]) throws IOException{
ByteArrayOutputStream baout = new ByteArrayOutputStream();
String s = "Welcome to Onlinetpoint";
byte bu[] = s.getBytes();
baout.write(bu);
System.out.println(baout.toString());
OutputStream outs = new FileOutputStream("Out.txt");
baout.writeTo(outs);
outs.close();
System.out.println("Success");
baout.reset();
}
}
Output
Success
Out.txt
Welcome to Onlinetpoint
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