D:\....\myjava>javac -d bin -sourcepath src src/a/HelloWorld.j
ava
src\a\HelloWorld.java:3: package b_pack does not exist
import b_pack.Inner;
             ^
src\a\HelloWorld.java:4: package b_pack does not exist
import b_pack.Inner2;
             ^
src\a\HelloWorld.java:12: cannot find symbol
symbol  : class Inner
location: class a_pack.HelloWorld
                Inner myInner = new Inner();
                ^
src\a\HelloWorld.java:12: cannot find symbol
symbol  : class Inner
location: class a_pack.HelloWorld
                Inner myInner = new Inner();
                                    ^
src\a\HelloWorld.java:15: cannot find symbol
symbol  : class Inner2
location: class a_pack.HelloWorld
                Inner2 myInner2 = new Inner2();
                ^
src\a\HelloWorld.java:15: cannot find symbol
symbol  : class Inner2
location: class a_pack.HelloWorld
                Inner2 myInner2 = new Inner2();
                                      ^
6 errors