public class Test { public static void main(String[] args) { A a = new A(); A.B b = new A.B(2); System.out.println(b.getFirst()); a.returnB(); System.out.println(b.getFirst()); System.out.println(a.second); System.out.println(a.third);
} }
class A { private static int first; private static int second; public int third;
public static class B { public B(int a) { first = a;