private static String getCubeNumberClass ( int x ) {
  char [ ] digits = cube ( x ) . toString ( ) . toCharArray ( ) ;
  Arrays . sort ( digits ) ;
  return new String ( digits ) ;
}

private static String getCubeNumberClass ( int x ) { char [ ] digits = cube ( x ) . toString ( ) . toCharArray ( ) ; Arrays . sort ( digits ) ; return new String ( digits ) ; }
(method_declaration (modifiers) type: (type_identifier) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (method_invocation object: (method_invocation name: (identifier) arguments: (argument_list (identifier))) name: (identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) (return_statement (object_creation_expression type: (type_identifier) arguments: (argument_list (identifier))))))