static int selectRandom ( int x ) {
  count ++ ;
  if ( count == 1 ) res = x ;
  else {
    Random r = new Random ( ) ;
    int i = r . nextInt ( count ) ;
    if ( i == count - 1 ) res = x ;
  }
  return res ;
}

static int selectRandom ( int x ) { count ++ ; if ( count == 1 ) res = x ; else { Random r = new Random ( ) ; int i = r . nextInt ( count ) ; if ( i == count - 1 ) res = x ; } return res ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (expression_statement (update_expression (identifier))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (identifier))) alternative: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) consequence: (expression_statement (assignment_expression left: (identifier) right: (identifier)))))) (return_statement (identifier))))