static int cassini ( int n ) {
  return ( n & 1 ) != 0 ? - 1 : 1 ;
}

static int cassini ( int n ) { return ( n & 1 ) != 0 ? - 1 : 1 ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (return_statement (ternary_expression condition: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (decimal_integer_literal)) consequence: (unary_expression operand: (decimal_integer_literal)) alternative: (decimal_integer_literal)))))