static Vector < Integer > process ( String s ) {
  Vector < Integer > num = new Vector < Integer > ( ) ;
  for ( int i = 0 ;
  i < s . length ( ) ;
  i ++ ) {
    num . add ( s . charAt ( i ) - '0' ) ;
  }
  return num ;
}

static Vector < Integer > process ( String s ) { Vector < Integer > num = new Vector < Integer > ( ) ; for ( int i = 0 ; i < s . length ( ) ; i ++ ) { num . add ( s . charAt ( i ) - '0' ) ; } return num ; }
(method_declaration (modifiers) type: (generic_type (type_identifier) (type_arguments (type_identifier))) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block (local_variable_declaration type: (generic_type (type_identifier) (type_arguments (type_identifier))) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (generic_type (type_identifier) (type_arguments (type_identifier))) arguments: (argument_list)))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) update: (update_expression (identifier)) body: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (character_literal))))))) (return_statement (identifier))))