package 接口;
import 接口.A.AAA.BBB;
import 接口.A.AAA.BBB.CCC;
public class A {
public static void main(String[] args) {
A A = new A(); //实例化A的对象为AAA的外层访问实例
AAA AAA = A.new AAA(); //实例化AAA的对象为BBB的外层访问实例
BBB BBB = new A().new AAA().new BBB();//实例化BBB的对象为CCC的外层访问实例
CCC CCC = new A().new AAA().new BBB().new CCC();//通过外层访问实例BBB访问内部成员CCC并将其实例化
AAA.X();
BBB.Y();
CCC.Z();
X BB = AAA.new BBB();
X.Y BA = AAA.new BBB();
X CA = new A().new AAA().new BBB().new CCC();
X.Y CB = new A().new AAA().new BBB().new CCC();
X.Y.Z CC = new A().new AAA().new BBB().new CCC();
}
public class AAA implements X {
@Override
public void X() {
System.out.println("x");
}
public class BBB implements Y {
@Override
public void X() {
System.out.println("x");
}
@Override
public void Y() {
System.out.println("y");
}
public class CCC implements Z {
@Override
public void Y() {
System.out.println("y");
}
@Override
public void X() {
System.out.println("x");
}
@Override
public void Z() {
System.out.println("z");
}
}
}
}
}
interface X {
void X();
interface Y extends X {
void Y();
interface Z extends Y {
void Z();
}
}
}
内外之分