public static void main ( String args [ ] ) {
  Node head = null ;
  head = push ( head , 15 ) ;
  head = push ( head , 14 ) ;
  head = push ( head , 13 ) ;
  head = push ( head , 22 ) ;
  head = push ( head , 17 ) ;
  circular ( head ) ;
  System . out . print ( "Display list: \n" ) ;
  displayList ( head ) ;
}

public static void main ( String args [ ] ) { Node head = null ; head = push ( head , 15 ) ; head = push ( head , 14 ) ; head = push ( head , 13 ) ; head = push ( head , 22 ) ; head = push ( head , 17 ) ; circular ( head ) ; System . out . print ( " Display ▁ list : ▁ \n " ) ; displayList ( head ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier) dimensions: (dimensions))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (null_literal))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation name: (identifier) arguments: (argument_list (identifier) (decimal_integer_literal))))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation name: (identifier) arguments: (argument_list (identifier) (decimal_integer_literal))))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation name: (identifier) arguments: (argument_list (identifier) (decimal_integer_literal))))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation name: (identifier) arguments: (argument_list (identifier) (decimal_integer_literal))))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation name: (identifier) arguments: (argument_list (identifier) (decimal_integer_literal))))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier)))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier))))))