Shulou(Shulou.com)06/01 Report--

1. Chain of responsibilities Model (Chain of responisibility)

Java.util.logging.Logger#log ()

Javax.servlet.Filter#doFilter ()

two。 Command mode (Command)

Java.lang.Runnable

Java.util.concurrent.Callable

3. Interpreter mode (Interpreter)

Java.text.Format

4. Iterator mode (Iterator)

Java.util.Iterator

Java.util.Enumeration

5. Observer mode (Observer)

Java.util.Observer/java.util.Observable (rarely used in real world though)

6. Policy Mode (Strategy)

Java.util.Comparator#compare (), Collections#sort ().

7. Template mode (Template Method)

Javax.servlet.http.HttpServlet, doXXX () in

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.