Writer.nullWriter() in Java

Writer.nullWriter(): This method is available in the java.io.Writer class of Java.

Syntax:

Writer java.io.Writer.nullWriter()

This method returns a new Writer who discards all characters. The returned stream is initially open.

Parameters: NA

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

Returns: a Writer who discards all characters.

Exceptions: NA

Approach

Java

import java.io.IOException;
import java.io.Writer;

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

        Writer writer = Writer.nullWriter();

        System.out.println(writer);

        writer.close();
    }
}

Output:

java.io.Writer$1@26f0a63f

Some other methods of Writer

append(char): This method appends the specified character to this writer.

append(CharSequence): This method appends the specified character sequence to this writer.

append(CharSequence, int, int): This method appends a subsequence of the specified character sequence to this writer.Appendable.

close(): This method closes the stream, flushing it first.

flush(): This method flushes the stream.

Writer.nullWriter(): This method returns a new Writer who discards all characters

write(char[]): This method writes an array of characters.

write(int): This method writes a single character.

write(String): This method writes a string.

write(char[], int, int): This method writes a portion of an array of characters.

write(String, int, int): This method writes a portion of a string.