private static int [ ] convertStringToArrayInt ( String input ) {
  return Arrays . stream ( input . split ( " " ) ) . filter ( s -> ! s . isEmpty ( ) ) . mapToInt ( Integer :: parseInt ) . toArray ( ) ;
}

private static int [ ] convertStringToArrayInt ( String input ) { return Arrays . stream ( input . split ( " ▁ " ) ) . filter ( s -> ! s . isEmpty ( ) ) . mapToInt ( Integer :: parseInt ) . toArray ( ) ; }
(method_declaration (modifiers) type: (array_type element: (integral_type) dimensions: (dimensions)) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block (return_statement (method_invocation object: (method_invocation object: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal))))) name: (identifier) arguments: (argument_list (lambda_expression parameters: (identifier) body: (unary_expression operand: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))) name: (identifier) arguments: (argument_list (method_reference (identifier) (identifier)))) name: (identifier) arguments: (argument_list)))))