InputStream Reader and Writer
InputStream Reader
This class is a bridge from byte streams to character streams. It is used for reading bytes and decoding into characters using a specified charset.
Syntax for java.io.InputStreamReader class:
public class InputStreamReader extends Reader
Example :
<![CDATA[
public class InputStreamReaderExample {
public static void main(String[] args) {
try {
InputStream stream = new FileInputStream("knowledge2life.txt");
Reader reader = new InputStreamReader(stream);
int data = reader.read();
while (data != -1) {
System.out.print((char) data);
data = reader.read();
}
} catch (Exception e) {
e.printStackTrace();
}
}
} ]]>
OUTPUT:
Welcome to Knowledge2life.
OutputStream Writer
This class is a bridge from character streams to byte streams. It is used for encoding the characters into bytes using a specified charset.
Syntax for java.io.OutputStreamWriter class:
public class OutputStreamWriter extends Writer
Example :
<![CDATA[
public class OutputStreamWriterExample {
public static void main(String[] args) {
try {
OutputStream outputStream = new FileOutputStream("output.txt");
Writer outputStreamWriter = new OutputStreamWriter(outputStream);
outputStreamWriter.write("Hello Knowledge2life");
outputStreamWriter.close();
} catch (Exception e) {
e.getMessage();
}
}
} ]]>
OUTPUT:
output.txt file will contains text "Hello Knowledge2life "
