static boolean oppositeSigns ( int x , int y ) {
  return ( ( x ^ y ) < 0 ) ;
}

static boolean oppositeSigns ( int x , int y ) { return ( ( x ^ y ) < 0 ) ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (return_statement (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (decimal_integer_literal))))))