EnterReplace

package zpxx;
import java.io.*;
public class EnterReplace
{
 public static String replace(String source)
 {
  char[] cc=source.toCharArray();
  String bb="";
  for(int i=0;i<cc.length;i++)
  {
   System.out.println(Character.digit(cc[i],16));
   if(Character.isSpaceChar(cc[i]))
   {
    bb+="&nbsp;";
   }
   else if(cc[i]=='/r' && i<cc.length-1 && cc[i+1]=='/n')
   {
    bb+="<br>";
   }
   else
   {
    bb+=cc[i];
   }
  }
  return bb;
 }
}