Create a CharBuffer and put in some string : CharBuffer « File « Java Tutorial

1. Java Tutorial
2. File
3. CharBuffer

import java.nio.CharBuffer;

public class MainClass {
  public static void main(String[] argv) throws Exception {
    CharBuffer cb = CharBuffer.allocate(100);

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

    cb.flip();

    // This throws an IllegalArgumentException
    cb.put(cb);

    System.out.println(cb);
  }
}