File list (Check if you may need any files):
Counter
.......\build
.......\.....\classes
.......\.....\.......\Controller
.......\.....\.......\..........\JudgeDel.class
.......\.....\.......\..........\ListenerDoubleEle.class
.......\.....\.......\..........\ListenerFunction1.class
.......\.....\.......\..........\ListenerMemoryFunction.class
.......\.....\.......\..........\ListenerNumber.class
.......\.....\.......\..........\ListenerSingleEle.class
.......\.....\.......\..........\Main.class
.......\.....\.......\..........\Memory.class
.......\.....\.......\..........\Number1.class
.......\.....\.......\..........\StandardOutputChange.class
.......\.....\.......\counter
.......\.....\.......\.......\Calculator$1.class
.......\.....\.......\.......\Calculator$CommandAction.class
.......\.....\.......\.......\Calculator$InsertAction.class
.......\.....\.......\.......\Calculator.class
.......\.....\.......\.......\Calculator3.class
.......\.....\.......\.......\CalcV1_0$1.class
.......\.....\.......\.......\CalcV1_0$A.class
.......\.....\.......\.......\CalcV1_0$CE.class
.......\.....\.......\.......\CalcV1_0$Clar.class
.......\.....\.......\.......\CalcV1_0$H.class
.......\.....\.......\.......\CalcV1_0$HELP1.class
.......\.....\.......\.......\CalcV1_0$HELP2.class
.......\.....\.......\.......\CalcV1_0$METH.class
.......\.....\.......\.......\CalcV1_0$O.class
.......\.....\.......\.......\CalcV1_0$Opertion.class
.......\.....\.......\.......\CalcV1_0$RES.class
.......\.....\.......\.......\CalcV1_0$Result.class
.......\.....\.......\.......\CalcV1_0.class
.......\.....\.......\.......\Main.class
.......\.....\.......\Model
.......\.....\.......\.....\NotNormalInputListener.class
.......\.....\.......\.....\Operate.class
.......\.....\.......\.....\saveNumbers.class
.......\.....\.......\view
.......\.....\.......\....\Visualiser.class
.......\build.xml
.......\manifest.mf
.......\nbproject
.......\.........\build-impl.xml
.......\.........\genfiles.properties
.......\.........\private
.......\.........\.......\private.properties
.......\.........\.......\private.xml
.......\.........\project.properties
.......\.........\project.xml
.......\src
.......\...\counter
.......\...\.......\Calculator3.java
.......\...\.......\Main.java
.......\test