static String reverse ( String str ) {
  String ans = "" ;
  char [ ] try1 = str . toCharArray ( ) ;
  for ( int i = try1 . length - 1 ;
  i >= 0 ;
  i -- ) {
    ans += try1 [ i ] ;
  }
  return ans ;
}

static String reverse ( String str ) { String ans = " " ; char [ ] try1 = str . toCharArray ( ) ; for ( int i = try1 . length - 1 ; i >= 0 ; i -- ) { ans += try1 [ i ] ; } return ans ; }
(method_declaration (modifiers) type: (type_identifier) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (string_literal))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (field_access object: (identifier) field: (identifier)) right: (decimal_integer_literal)))) condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (identifier)))))) (return_statement (identifier))))