public static String dump(Map<?,?> map){
  StringBuilder stringBuilder=new StringBuilder();
  for (  Map.Entry<?,?> entry : map.entrySet()) {
    stringBuilder.append(entry.getKey());
    stringBuilder.append(" : ");
    stringBuilder.append(entry.getValue());
  }
  return stringBuilder.toString();
}

public static String dump ( Map < ? , ? > map ) { StringBuilder stringBuilder = new StringBuilder ( ) ; for ( Map . Entry < ? , ? > entry : map . entrySet ( ) ) { stringBuilder . append ( entry . getKey ( ) ) ; stringBuilder . append ( " : " ) ; stringBuilder . append ( entry . getValue ( ) ) ; } return stringBuilder . toString ( ) ; }
dump map value into string .
