static double calcDeterminant ( int arr [ ] ) {
  double determinant = 0 ;
  for ( int i = 0 ;
  i < N ;
  i ++ ) {
    determinant += Math . pow ( arr [ i ] , 3 ) ;
  }
  determinant -= 3 * arr [ 0 ] * arr [ 1 ] * arr [ 2 ] ;
  return determinant ;
}

static double calcDeterminant ( int arr [ ] ) { double determinant = 0 ; for ( int i = 0 ; i < N ; i ++ ) { determinant += Math . pow ( arr [ i ] , 3 ) ; } determinant -= 3 * arr [ 0 ] * arr [ 1 ] * arr [ 2 ] ; return determinant ; }
(method_declaration (modifiers) type: (floating_point_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions))) body: (block (local_variable_declaration type: (floating_point_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)) (decimal_integer_literal))))))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (binary_expression left: (binary_expression left: (decimal_integer_literal) right: (array_access array: (identifier) index: (decimal_integer_literal))) right: (array_access array: (identifier) index: (decimal_integer_literal))) right: (array_access array: (identifier) index: (decimal_integer_literal))))) (return_statement (identifier))))