// Fig. 11.11: StringBufferCapLen.java
// StringBuffer length, setLength, capacity and ensureCapacity methods.
import javax.swing.*;

public class StringBufferCapLen {

   public static void main( String args[] )
   {
      StringBuffer buffer = new StringBuffer( "Hello, how are you?" );

      String output = "buffer = " + buffer.toString() + "\nlength = " + 
         buffer.length() + "\ncapacity = " + buffer.capacity();

      buffer.ensureCapacity( 75 );
      output += "\n\nNew capacity = " + buffer.capacity();

      buffer.setLength( 10 );
      output += "\n\nNew length = " + buffer.length() +
         "\nbuf = " + buffer.toString();

      JOptionPane.showMessageDialog( null, output,
         "StringBuffer length and capacity Methods",
         JOptionPane.INFORMATION_MESSAGE );

      System.exit( 0 );
   }

} // end class StringBufferCapLen


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