public class Outer {标签:Outer,内部,void,System,public,Inner,成员,out From: https://www.cnblogs.com/huangjiangfei/p/17981826
private int id =10;
public void out(){
System.out.println("这是外部类的方法");
}
public class Inner{
public void in() {
System.out.println("这是内部类的方法");
}
//获得外部类的私有属性
public void getID(){
System.out.println(id);
}
}
}
============================================
public class Application {
public static void main(String[] args) {
Outer outer = new Outer();
//通过外部类来实例化这个内部类
Outer.Inner inner = outer.new Inner();
inner.getID();
}
}