Flip a CharBuffer : CharBuffer « File « Java Tutorial

import java.nio.CharBuffer;

public class MainClass {
  public static void main(String[] argv) throws Exception {
    char[] chars = new char[60];

    CharBuffer cb = CharBuffer.wrap(chars, 12, 42);

    println(cb);

    cb.put("This is a test String");

    cb.flip();

    println(cb);

    cb.clear();

    cb.put("Foobar");

    println(cb);

    for (int i = 0; i < 20; i++) {
      System.out.println("[" + i + "] = " + chars[i]);
    }
  }

  private static void println(CharBuffer cb) {
    System.out.println("pos=" + cb.position() + ", limit=" + cb.limit() + ", capacity="
        + cb.capacity() + ", arrayOffset=" + cb.arrayOffset());
  }
}
/*
*/

pos=12, limit=54, capacity=60, arrayOffset=0
pos=0, limit=33, capacity=60, arrayOffset=0
pos=6, limit=60, capacity=60, arrayOffset=0
[0] = F
[1] = o
[2] = o
[3] = b
[4] = a
[5] = r
...

11.43.CharBuffer
	11.43.1.	Buffer Equality
	11.43.2.	Use CharBuffer
	11.43.3.	Convert ByteBuffer to a CharBuffer
	11.43.4.	Use while loop to read a CharBuffer
	11.43.5.	Save and read text using FileChannel with CharBuffer
	11.43.6.	Test the effects of buffer flipping
	11.43.7.	Test buffer duplication
	11.43.8.	Create a CharBuffer and put in some string
	11.43.9.	Buffer slice
	11.43.10.	Wrap a char array to a CharBuffer
	11.43.11.	Flip a CharBuffer
	11.43.12.	Get array out of CharBuffer
	11.43.13.	Convert ByteBuffer to CharBuffer
	11.43.14.	Fill String to CharBuffer
	11.43.15.	CharBuffer warps a ByteBuffer