CharArrayWriter size() in Java

size(): This method is available in the java.io.CharArrayWriter class of Java.

Syntax:

int java.io.CharArrayWriter.size()

This method returns the current size of the buffer.

Parameters: NA

Returns: an int representing the current size of the buffer.

Exceptions: NA

Approach

Java

import java.io.CharArrayWriter;
import java.io.IOException;

public class CharArrayWritersize {
    public static void main(String[] args) throws IOException {
        CharArrayWriter charArrayWriter = new CharArrayWriter();

        char cbuf[] = { 'a', 'b', 'c', 'd' };
        charArrayWriter.write(cbuf);

        System.out.println(charArrayWriter.size());
        charArrayWriter.close();
    }
}

Output:

4