static String reverse ( String s ) {
  String s1 = "" ;
  for ( int i = s . length ( ) - 1 ;
  i >= 0 ;
  i -- ) s1 += s . charAt ( i ) ;
  return s1 ;
}

static String reverse ( String s ) { String s1 = " " ; for ( int i = s . length ( ) - 1 ; i >= 0 ; i -- ) s1 += s . charAt ( i ) ; return s1 ; }
(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))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal)))) condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))) (return_statement (identifier))))