import java.nio.CharBuffer;

public class BufferTest {

    public static void main(String[] args) {

        CharBuffer  buff = CharBuffer.allocate();

        System.out.println("capacity: " + buff.capacity());

        System.out.println("limit: " + buff.limit());;

        System.out.println("position:" + buff.position());

        buff.put('a');

        buff.put('b');

        buff.put('c');

        System.out.println("position:" + buff.position());

        buff.flip();

        System.out.println("limit: " + buff.limit());;

        System.out.println("position:" + buff.position());

        System.out.println(buff.get());

        System.out.println(buff.position());

        buff.clear();

        System.out.println("limit: " + buff.limit());;

        System.out.println("position:" + buff.position());

        System.out.println(buff.get());

        System.out.println("position:" + buff.position());

    }

}

capacity:

limit:

position:

position:

limit:

position:

a

limit:

position:

c

position: