private static String translate ( String s ) {
  int l = s . length ( ) ;
  StringBuilder translated = new StringBuilder ( l ) ;
  for ( int i = 0 ;
  i < l ;
  i ++ ) {
    translated . append ( translate ( s . charAt ( i ) ) ) ;
  }
  return translated . toString ( ) ;
}

private static String translate ( String s ) { int l = s . length ( ) ; StringBuilder translated = new StringBuilder ( l ) ; for ( int i = 0 ; i < l ; i ++ ) { translated . append ( translate ( s . charAt ( i ) ) ) ; } return translated . toString ( ) ; }
(method_declaration (modifiers) type: (type_identifier) 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 object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (identifier))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))))))) (return_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))