public void testCommand() {
A a = new A();
B b = new B();
C c = new C();
D d = new D();
E e = new E();
F f = new F();
a.a();
b.b();
c.c();
int i;
i = d.d;
i = e.e;
i = f.f;
}
public static void main(String[] args) {
B.b();
}