CharBuffer warps a ByteBuffer : CharBuffer « File « Java Tutorial






  1. Java Tutorial
  2. File
  3. CharBuffer
import java.nio.ByteBuffer;
import java.nio.CharBuffer;

public class MainClass {
  public static void main(String argv[]) {
    ByteBuffer bb = ByteBuffer.allocate(100);

    bb.mark();
    bb.position(5);
    bb.reset();

    bb.mark().position(5).reset();

    char[] myBuffer = new char[100];

    CharBuffer cb = CharBuffer.wrap(myBuffer);
    cb.position(12).limit(21);

    CharBuffer sliced = cb.slice();

    System.out
        .println("Sliced: offset=" + sliced.arrayOffset() + ", capacity=" + sliced.capacity());
  }
}
//

Sliced: offset=12, capacity=9




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