static void positiveNegativeZero ( int [ ] arr ) {
  int len = arr . length ;
  float positiveCount = 0 ;
  float negativeCount = 0 ;
  float zeroCount = 0 ;
  for ( int i = 0 ;
  i < len ;
  i ++ ) {
    if ( arr [ i ] > 0 ) {
      positiveCount ++ ;
    }
    else if ( arr [ i ] < 0 ) {
      negativeCount ++ ;
    }
    else if ( arr [ i ] == 0 ) {
      zeroCount ++ ;
    }
  }
  System . out . printf ( "%1.4f " , positiveCount / len ) ;
  System . out . printf ( "%1.4f " , negativeCount / len ) ;
  System . out . printf ( "%1.4f " , zeroCount / len ) ;
  System . out . println ( ) ;
}

static void positiveNegativeZero ( int [ ] arr ) { int len = arr . length ; float positiveCount = 0 ; float negativeCount = 0 ; float zeroCount = 0 ; for ( int i = 0 ; i < len ; i ++ ) { if ( arr [ i ] > 0 ) { positiveCount ++ ; } else if ( arr [ i ] < 0 ) { negativeCount ++ ; } else if ( arr [ i ] == 0 ) { zeroCount ++ ; } } System . out . printf ( " % 1.4f ▁ " , positiveCount / len ) ; System . out . printf ( " % 1.4f ▁ " , negativeCount / len ) ; System . out . printf ( " % 1.4f ▁ " , zeroCount / len ) ; System . out . println ( ) ; }
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