Mine

thufir@arrakis:~/java/src$ 
thufir@arrakis:~/java/src$ javac -cp . -d /home/thufir/java/build/ com/web_tomorrow/CPTest2.java 
thufir@arrakis:~/java/src$ 
thufir@arrakis:~/java/src$ cd ..
thufir@arrakis:~/java$ 
thufir@arrakis:~/java$ javac -cp . -d /home/thufir/java/build/ src/com/web_tomorrow/CPTest2.java 
src/com/web_tomorrow/CPTest2.java:7: cannot find symbol
symbol  : class CPTest1
location: class com.web_tomorrow.CPTest2
  CPTest1 cpt1 = new CPTest1();
  ^
src/com/web_tomorrow/CPTest2.java:7: cannot find symbol
symbol  : class CPTest1
location: class com.web_tomorrow.CPTest2
  CPTest1 cpt1 = new CPTest1();
                     ^
2 errors
thufir@arrakis:~/java$ 
thufir@arrakis:~/java$