static int fib ( int n ) {
  double phi = ( 1 + Math . sqrt ( 5 ) ) / 2 ;
  return ( int ) Math . round ( Math . pow ( phi , n ) / Math . sqrt ( 5 ) ) ;
}

static int fib ( int n ) { double phi = ( 1 + Math . sqrt ( 5 ) ) / 2 ; return ( int ) Math . round ( Math . pow ( phi , n ) / Math . sqrt ( 5 ) ) ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (floating_point_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (parenthesized_expression (binary_expression left: (decimal_integer_literal) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))))) right: (decimal_integer_literal)))) (return_statement (cast_expression type: (integral_type) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (identifier))) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))))))))))