//PROGRAM 11-29
class DemoInsert { 
  public static void main(String[] args) { 
    
    StringBuffer sb = new StringBuffer("saya menyukai Java");
        
    char spasi = ' ';
    char koma = ',';
    String s1 = "Selain C/C++ dan Pascal";
    String s2 = "juga ";
        
    sb.insert(0, s1);
    sb.insert(23, koma).insert(24, spasi);
    sb.insert(30, s2);
    
    System.out.println(sb.toString());
  } 
}