static void printlist ( Node node ) {
  while ( node != null ) {
    System . out . print ( node . data + " -> " ) ;
    node = node . next ;
  }
  System . out . println ( "null" ) ;
}

static void printlist ( Node node ) { while ( node != null ) { System . out . print ( node . data + " ▁ - > ▁ " ) ; node = node . next ; } System . out . println ( " null " ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (null_literal))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (field_access object: (identifier) field: (identifier)) right: (string_literal))))) (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))))))