static String reverse ( String s ) {
  return new StringBuilder ( s ) . reverse ( ) . toString ( ) ;
}

static String reverse ( String s ) { return new StringBuilder ( s ) . reverse ( ) . toString ( ) ; }
(method_declaration (modifiers) type: (type_identifier) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block (return_statement (method_invocation object: (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list (identifier))) name: (identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list)))))