static void convertArr ( node head ) {
  int len = findlength ( head ) ;
  int [ ] arr = new int [ len ] ;
  int index = 0 ;
  node curr = head ;
  while ( curr != null ) {
    arr [ index ++ ] = curr . data ;
    curr = curr . next ;
  }
  printArr ( arr , len ) ;
}

static void convertArr ( node head ) { int len = findlength ( head ) ; int [ ] arr = new int [ len ] ; int index = 0 ; node curr = head ; while ( curr != null ) { arr [ index ++ ] = curr . data ; curr = curr . next ; } printArr ( arr , len ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation name: (identifier) arguments: (argument_list (identifier))))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (identifier))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (null_literal))) body: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (update_expression (identifier))) right: (field_access object: (identifier) field: (identifier)))) (expression_statement (assignment_expression left: (identifier) right: (field_access object: (identifier) field: (identifier)))))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier))))))