public class StringBufferChars
1: // Fig. 29.12: StringBufferChars.java
2: // StringBuffer methods charAt, setCharAt, getChars and reverse.
3:
4: public class StringBufferChars
5: {
6: public static void main( String args[] )
7: {
8: StringBuffer buffer = new StringBuffer( "hello there" );
9:
10: System.out.printf( "buffer = %s\n", buffer.toString() );
11: System.out.printf( "Character at 0: %s\nCharacter at 4: %s\n\n",
12: buffer.charAt( 0 ), buffer.charAt( 4 ) );
13:
14: char charArray[] = new char[ buffer.length() ];
15: buffer.getChars( 0, buffer.length(), charArray, 0 );
16: System.out.print( "The characters are: " );
17:
18: for ( char character : charArray )
19: System.out.print( character );
20:
21: buffer.setCharAt( 0, 'H' );
22: buffer.setCharAt( 6, 'T' );
23: System.out.printf( "\n\nbuf = %s", buffer.toString() );
24:
25: buffer.reverse();
26: System.out.printf( "\n\nbuf = %s\n", buffer.toString() );
27: } // end main
28: } // end class StringBufferChars
29:
30:
31: /**************************************************************************
32: * (C) Copyright 1992-2005 by Deitel & Associates, Inc. and *
33: * Pearson Education, Inc. All Rights Reserved. *
34: * *
35: * DISCLAIMER: The authors and publisher of this book have used their *
36: * best efforts in preparing the book. These efforts include the *
37: * development, research, and testing of the theories and programs *
38: * to determine their effectiveness. The authors and publisher make *
39: * no warranty of any kind, expressed or implied, with regard to these *
40: * programs or to the documentation contained in these books. The authors *
41: * and publisher shall not be liable in any event for incidental or *
42: * consequential damages in connection with, or arising out of, the *
43: * furnishing, performance, or use of these programs. *
44: *************************************************************************/