Java软贱攻城狮

范例1:访问内部类的私有属性class Outer{ private String str="Hello"; class Inner{ private String info="World"; public void print() { System.out.println(Outer.this.str); } } public void fun() { Inn...

abstract class A { public abstract void print(); private static class B extends A { public void print() { System.out.println("Hello"); } } public static A getInstance() { return new B()...