public class DoWhileDemo 
{
    public static void main(String[] args) 
	{

      String copyFromMe = "Copy this string until you encounter the letter 'g'.";
      StringBuffer copyToMe = new StringBuffer();

      int i = 0;
      char c = copyFromMe.charAt(i);

      do
	  {
            copyToMe.append(c);
            c = copyFromMe.charAt(++i);
      }
	  while (c != 'g');
        System.out.println(copyToMe);
      }
}