static void displayList ( Node start ) {
  Node temp = start ;
  while ( temp . next != start ) {
    System . out . printf ( "%d " , temp . data ) ;
    temp = temp . next ;
  }
  System . out . printf ( "%d " , temp . data ) ;
}

static void displayList ( Node start ) { Node temp = start ; while ( temp . next != start ) { System . out . printf ( " % d ▁ " , temp . data ) ; temp = temp . next ; } System . out . printf ( " % d ▁ " , temp . data ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (identifier))) (while_statement condition: (parenthesized_expression (binary_expression left: (field_access object: (identifier) field: (identifier)) right: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal) (field_access object: (identifier) field: (identifier))))) (expression_statement (assignment_expression left: (identifier) right: (field_access object: (identifier) field: (identifier)))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal) (field_access object: (identifier) field: (identifier)))))))