Source of StringBufferCapLen.java


  1: // Fig. 29.11: StringBufferCapLen.java
  2: // StringBuffer length, setLength, capacity and ensureCapacity methods.
  3: 
  4: public class StringBufferCapLen 
  5: {
  6:    public static void main( String args[] )
  7:    {
  8:       StringBuffer buffer = new StringBuffer( "Hello, how are you?" );
  9: 
 10:       System.out.printf( "buffer = %s\nlength = %d\ncapacity = %d\n\n",
 11:          buffer.toString(), buffer.length(), buffer.capacity() );
 12: 
 13:       buffer.ensureCapacity( 75 );
 14:       System.out.printf( "New capacity = %d\n\n", buffer.capacity() );
 15: 
 16:       buffer.setLength( 10 );
 17:       System.out.printf( "New length = %d\nbuf = %s\n", 
 18:          buffer.length(), buffer.toString() );
 19:    } // end main
 20: } // end class StringBufferCapLen
 21: 
 22: 
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 24:  * (C) Copyright 1992-2005 by Deitel & Associates, Inc. and               *
 25:  * Pearson Education, Inc. All Rights Reserved.                           *
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