<qiyuangong>929_Unique_Email_Addresses_1.java
public int numUniqueEmails(String[] emails) {
        HashSet<String> emailSet = new HashSet<>();
        for (String email: emails) {
            String firstSplit[] = email.split("@");
            String secondSplit[] = firstSplit[0].replaceAll(".", "").split("[+]");
            emailSet.add(secondSplit[0] + firstSplit[1]);
        }     
        return emailSet.size();
    }
public int sample_funcname ( String [ ] var_1 ) {
  HashSet < String > var_3 = new HashSet < > ( ) ;
  for ( String var_4 : var_1 ) {
    String var_7 [ ] = var_4 . split ( "@" ) ;
    String var_13 [ ] = var_7 [ 0 ] . replaceAll ( "." , "" ) . split ( "[+]" ) ;
    var_3 . add ( var_13 [ 0 ] + var_7 [ 1 ] ) ;
  }
  return var_3 . size ( ) ;
}
