Writer close() in Java

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

Syntax:

void java.io.Writer.close() throws IOException

This method closes the stream, flushing it first. Once the stream has been closed,further write() or flush() invocations will cause an IOException to be thrown.

Note: Closing a previously closed stream has no effect.

Parameters: NA

Returns: NA

Throws:

1. IOException - If an I/O error occurs

Approach

Java

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

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

        Writer writer = new StringWriter();

        writer.close();

        System.out.println("Successfully closed");

    }
}

Output:

Successfully closed

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.