private static boolean isBlack ( int c ) {
  return c == BLACK . codePointAt ( 0 ) ;
}

private static boolean isBlack ( int c ) { return c == BLACK . codePointAt ( 0 ) ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (return_statement (binary_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal)))))))