String Buffer Method - JAVA

 public class StringBufferMethod{

  public static void main(String args[]){ 

    System.out.println("Nama : Adriansyah Maulana" );     

    StringBuffer sb = new StringBuffer("Mencoba metode StringBuffer");

   

 System.out.println("Nilai sb : \""+sb+"\"");

 System.out.println(sb.length());

 System.out.println(sb.capacity());

 

 sb.setLength(28);

 System.out.println("Nilai sb : \""+sb+"\"");

 System.out.println(sb.length());

 System.out.println(sb.capacity());

 

 System.out.println("Karakter ke-6 : "+sb.charAt(6));

 sb.setCharAt(14,'-');

 System.out.println("Nilai sb : \""+sb+"\"");

 

 String st = new String("di java ");

 sb.append(st);

 sb.append(2f);

 System.out.println("Nilai sb : \""+sb+"\"");

 

 sb.insert(15,"metode "); 

 System.out.println("Nilai sb : \""+sb+"\"");

 st=sb.toString();

    System.out.println("Nilai st : \""+st+"\"");

  }

}