// Fig. 10.14: StringBufferChars.java
// The charAt, setCharAt, getChars, and reverse methods 
// of class StringBuffer.

// Java extension packages
import javax.swing.*;

public class StringBufferChars {

   // test StringBuffer character methods
   public static void main( String args[] )
   {
      StringBuffer buffer = new StringBuffer( "hello there" );

      String output = "buffer = " + buffer.toString() +
         "\nCharacter at 0: " + buffer.charAt( 0 ) +
         "\nCharacter at 4: " + buffer.charAt( 4 );

      char charArray[] = new char[ buffer.length() ];
      buffer.getChars( 0, buffer.length(), charArray, 0 );
      output += "\n\nThe characters are: ";

      for ( int count = 0; count < charArray.length; ++count )
         output += charArray[ count ];

      buffer.setCharAt( 0, 'H' );
      buffer.setCharAt( 6, 'T' );
      output += "\n\nbuf = " + buffer.toString();

      buffer.reverse();
      output += "\n\nbuf = " + buffer.toString();

      JOptionPane.showMessageDialog( null, output,
         "Demonstrating StringBuffer Character Methods",
         JOptionPane.INFORMATION_MESSAGE );

      System.exit( 0 );
   }

}  // end class StringBufferChars


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 * (C) Copyright 2002 by Deitel & Associates, Inc. and Prentice Hall.     *
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