Reader.nullReader() in Java

Reader.nullReader(): This method is available in the java.io.Reader class of Java.

Syntax:

Reader java.io.Reader.nullReader()

This method returns a new Reader that reads no characters. The returned stream is initially open.

The object used to synchronize operations on the returned Reader is not specified.

Parameters: NA

Returns: a Reader which reads no characters.

Exceptions: NA

Approach

Java

import java.io.IOException;
import java.io.Reader;

public class ReadernullReader {
    public static void main(String[] args) throws IOException {

        Reader reader = Reader.nullReader();

        System.out.println(reader);
        reader.close();

    }
}

Output:

java.io.Reader$1@53bd815b

Some other methods of Reader

close(): This method closes the stream and releases any system resources associated with it.

mark(int): This method marks the present position in the stream.

markSupported(): This method tells whether this stream supports the mark() operation. 

Reader.nullReader(): This method returns a new Reader that reads no characters.

read(): This method reads a single character.

read(char[]): This method reads characters into an array.

read(CharBuffer): This method attempts to read characters into the specified character buffer.

read(char[], int, int): This method reads characters into a portion of an array.

ready(): This method tells whether this stream is ready to be read.

reset(): This method resets the stream.

skip(long): This method skips characters.

transferTo(Writer): This method reads all characters from this reader and writes the characters to the given writer in the order that they are read.