Java StringBuffer setLength in pgm

Java StringBuffer setLength

public class JavaStringBufferSetLengthExample

 {

public static void main(String[] args)

{

StringBuffer sbf = new StringBuffer("StringBuffer setLength method example");

sbf.setLength(12);

System.out.println("StringBuffer contents: " + sbf);

sbf.setLength(0);

System.out.println("StringBuffer contents deleted:" + sbf);

   }

}