static void sumProdOfPrimeFreq ( char [ ] s ) {
  boolean [ ] prime = new boolean [ s . length + 1 ] ;
  Arrays . fill ( prime , true ) ;
  SieveOfEratosthenes ( prime , s . length + 1 ) ;
  int i , j ;
  Map < Character , Integer > mp = new HashMap < > ( ) ;
  for ( i = 0 ;
  i < s . length ;
  i ++ ) {
    mp . put ( s [ i ] , mp . get ( s [ i ] ) == null ? 1 : mp . get ( s [ i ] ) + 1 ) ;
  }
  int sum = 0 , product = 1 ;
  for ( Map . Entry < Character , Integer > it : mp . entrySet ( ) ) {
    if ( prime [ it . getValue ( ) ] ) {
      sum += it . getValue ( ) ;
      product *= it . getValue ( ) ;
    }
  }
  System . out . print ( "Sum = " + sum ) ;
  System . out . println ( "\nProduct = " + product ) ;
}

static void sumProdOfPrimeFreq ( char [ ] s ) { boolean [ ] prime = new boolean [ s . length + 1 ] ; Arrays . fill ( prime , true ) ; SieveOfEratosthenes ( prime , s . length + 1 ) ; int i , j ; Map < Character , Integer > mp = new HashMap < > ( ) ; for ( i = 0 ; i < s . length ; i ++ ) { mp . put ( s [ i ] , mp . get ( s [ i ] ) == null ? 1 : mp . get ( s [ i ] ) + 1 ) ; } int sum = 0 , product = 1 ; for ( Map . Entry < Character , Integer > it : mp . entrySet ( ) ) { if ( prime [ it . getValue ( ) ] ) { sum += it . getValue ( ) ; product *= it . getValue ( ) ; } } System . out . print ( " Sum ▁ = ▁ " + sum ) ; System . out . println ( " \n Product ▁ = ▁ " + product ) ; }
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