File list (Check if you may need any files):
ChainOfResponsibility
.....................\.classpath
.....................\.project
.....................\bin
.....................\...\Handler.class
.....................\...\HandlerFirst.class
.....................\...\HandlerFourth.class
.....................\...\HandlerSecond.class
.....................\...\HandlerThird.class
.....................\...\Main.class
.....................\...\Request.class
.....................\src
.....................\...\Handler.java
.....................\...\HandlerFirst.java
.....................\...\HandlerFourth.java
.....................\...\HandlerSecond.java
.....................\...\HandlerThird.java
.....................\...\Main.java
.....................\...\Request.java