Practice
........\.cproject
........\.oppbuildspec
........\.project
........\.tkenvrc
........\Makefile
........\Node.cc
........\Node.h
........\Node.ned
........\omnetpp.ini
........\out
........\...\gcc-debug
........\...\.........\Node.o
........\...\.........\Practice.exe
........\...\.........\Sink.o
........\package.ned
........\Practice.exe
........\Sink.cc
........\Sink.ned
........\WSN.ned