//package a3;
//import a3.b.B;
//public class References {
//	public void foo() {
//		X x1 = new Z(); // single type references
//		a3.b.A a = null; // qualified type reference
//		a3.b.A.B.C inner = null; // qualified type references with inner type
//		Object o = a3.Y.field; // binary reference + qualified name reference
//		X x2 = (B)x1; // single name reference
//	}
//}