File list (Check if you may need any files):
GumballMachine
..............\build
..............\.....\classes
..............\.....\.......\Client.class
..............\.....\.......\GumballMachine.class
..............\.....\.......\GumballStatistics.class
..............\.....\.......\HasQuarterState.class
..............\.....\.......\NoQuarterState.class
..............\.....\.......\SoldOutState.class
..............\.....\.......\SoldState.class
..............\.....\.......\State.class
..............\.....\.......\WinnerState.class
..............\.....\.......\WinnerStatistics.class
..............\build.xml
..............\manifest.mf
..............\nbproject
..............\.........\build-impl.xml
..............\.........\genfiles.properties
..............\.........\private
..............\.........\.......\private.properties
..............\.........\.......\private.xml
..............\.........\project.properties
..............\.........\project.xml
..............\src
..............\...\Client.java
..............\...\GumballMachine.java
..............\...\GumballStatistics.java
..............\...\HasQuarterState.java
..............\...\NoQuarterState.java
..............\...\SoldOutState.java
..............\...\SoldState.java
..............\...\State.java
..............\...\WinnerState.java
..............\...\WinnerStatistics.java
..............\test