如何从StringBuffer删除所有值

 

public class Main {
/**
 from
* 时代Java - N o w  J a v a . c o m 
**/

       

        public static void main(String[] args) {

                StringBuffer sbf = new StringBuffer("Hello World!");

               

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

               

                sbf.delete(0, sbf.length());

               

                System.out.println("StringBuffer content after reset:" + sbf);

        }

}