Question

When destroy() method of a filter is called?

(a) The destroy() method is called only once at the end of the life cycle of a filter

(b) The destroy() method is called after the filter has executed doFilter method

(c) The destroy() method is called only once at the begining of the life cycle of a filter

(d) The destroyer() method is called after the filter has executed

The question was asked in final exam.

This intriguing question originated from Servlet topic in portion Java Server Technologies & Servlet of Java

Answer 1

Right choice is (a) The destroy() method is called only once at the end of the life cycle of a filter

Easiest explanation: destroy() is an end of life cycle method so it is called at the end of life cycle.