static void maxProduct ( int arr [ ] , int n ) {
  if ( n < 2 ) {
    System . out . println ( "No pairs exists" ) ;
    return ;
  }
  if ( n == 2 ) {
    System . out . println ( arr [ 0 ] + " " + arr [ 1 ] ) ;
    return ;
  }
  int posa = Integer . MIN_VALUE , posb = Integer . MIN_VALUE ;
  int nega = Integer . MIN_VALUE , negb = Integer . MIN_VALUE ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    if ( arr [ i ] > posa ) {
      posb = posa ;
      posa = arr [ i ] ;
    }
    else if ( arr [ i ] > posb ) posb = arr [ i ] ;
    if ( arr [ i ] < 0 && Math . abs ( arr [ i ] ) > Math . abs ( nega ) ) {
      negb = nega ;
      nega = arr [ i ] ;
    }
    else if ( arr [ i ] < 0 && Math . abs ( arr [ i ] ) > Math . abs ( negb ) ) negb = arr [ i ] ;
  }
  if ( nega * negb > posa * posb ) System . out . println ( "Max product pair is {" + nega + ", " + negb + "}" ) ;
  else System . out . println ( "Max product pair is {" + posa + ", " + posb + "}" ) ;
}

static void maxProduct ( int arr [ ] , int n ) { if ( n < 2 ) { System . out . println ( " No ▁ pairs ▁ exists " ) ; return ; } if ( n == 2 ) { System . out . println ( arr [ 0 ] + " ▁ " + arr [ 1 ] ) ; return ; } int posa = Integer . MIN_VALUE , posb = Integer . MIN_VALUE ; int nega = Integer . MIN_VALUE , negb = Integer . MIN_VALUE ; for ( int i = 0 ; i < n ; i ++ ) { if ( arr [ i ] > posa ) { posb = posa ; posa = arr [ i ] ; } else if ( arr [ i ] > posb ) posb = arr [ i ] ; if ( arr [ i ] < 0 && Math . abs ( arr [ i ] ) > Math . abs ( nega ) ) { negb = nega ; nega = arr [ i ] ; } else if ( arr [ i ] < 0 && Math . abs ( arr [ i ] ) > Math . abs ( negb ) ) negb = arr [ i ] ; } if ( nega * negb > posa * posb ) System . out . println ( " Max ▁ product ▁ pair ▁ is ▁ { " + nega + " , ▁ " + negb + " } " ) ; else System . out . println ( " Max ▁ product ▁ pair ▁ is ▁ { " + posa + " , ▁ " + posb + " } " ) ; }
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