import java.nio.CharBuffer;

public class CharBufferDemo {
	public static void main(String[] args) {
		char[] chr = new char[] {};
		CharBuffer charbuffer1 = CharBuffer.wrap(chr);
		charbuffer1.put(chr);
		System.out.println(charbuffer1.remaining());
		char[] chr1 = new char[] { 'a', 'b' };
		CharBuffer charbuffer2 = CharBuffer.wrap(chr1);
		charbuffer2.put(chr);
		System.out.println(charbuffer2.remaining());
	}
}