public static List replaceString(List list,String orig,String substitution){
  List manipulated=new ArrayList(list.size());
  for (Iterator iter=list.iterator(); iter.hasNext(); ) {
    String str=(String)iter.next();
    manipulated.add(replaceString(str,orig,substitution));
  }
  return manipulated;
}

public static List replaceString ( List list , String orig , String substitution ) { List manipulated = new ArrayList ( list . size ( ) ) ; for ( Iterator iter = list . iterator ( ) ; iter . hasNext ( ) ; ) { String str = ( String ) iter . next ( ) ; manipulated . add ( replaceString ( str , orig , substitution ) ) ; } return manipulated ; }
replaces character / s in a string with another
