File list (Check if you may need any files):
convert2dpointsto3d\.classpath
...................\.project
...................\bin\arcgissamples\analyst3d\Convert2DPointsTo3D.class
...................\...\.............\loadsample\Main.class
...................\build.xml
...................\properties.xml
...................\ReadMe.htm
...................\sample.properties
...................\.rc\arcgissamples\analyst3d\Convert2DPointsTo3D.java
...................\...\.............\loadsample\Main.java
...................\bin\arcgissamples\analyst3d
...................\...\.............\loadsample
...................\src\arcgissamples\analyst3d
...................\...\.............\loadsample
...................\bin\arcgissamples
...................\src\arcgissamples
...................\bin
...................\src
convert2dpointsto3d