//:c08: NestingInterfaces.java
class A 
{
	interface B
	{
		void f();
	}
	public class BImp implements B
	{
		public void f(){System.out.println("BImp.f()");}
	}
	private class BImp2 implements B
	{
		public void f(){};
	}
	public interface C
	{
		void f();
	}
	class CImp implements C
	{
		public void f(){}
	}
	private class CImp2 implements C
	{
		public void f(){}
	}
	private interface D
	{
		void f();
	}
	private class DImp implements D
	{
		public void f(){}
	}
	public class DImp2 implements D
	{
		public void f(){}
	}
	public D getD(){return new DImp2();}
	private D dRef;
	public void receiveD(D d)
	{
		dRef=d;
		dRef.f();
	}
}
interface E
{
	interface G
	{
		void f();
	}
	public interface H
	{
		void f();
	}
	void g();
}
public class NestingInterfaces
{
	public class BImp implements A.B
	{
		public void f(){}
	}
	class CImp implements A.C
	{
		public void f(){};
	}
	class EGImp implements E
	{
		public void g(){}
	}
	class EGImp1 implements E.G
	{
		public void f(){}
	}
	class EImp2 implements E
	{
		public void g()
		{
		}
		class EG implements E.G
		{
			public void f(){}
		}
	}
	public static void main(String []args)
	{
		A a=new A();
		A a2=new A();
		a2.receiveD(a.getD());
	}
}