/**
* Description:
* <br/>Copyright (C), 2005-2008, Yeeku.H.Lee
* <br/>This program is protected by copyright laws.
* <br/>Program Name:
* <br/>Date:
* @author Yeeku.H.Lee kongyeeku@163.com
* @version 1.0
*/
class Out
{
//定义一个非静态内部类,不使用访问控制符,即同一个包中其他类可访问该内部类
class In
{
public In(String msg)
{
System.out.println(msg);
}
}
}
public class CreateInnerInstance
{
public static void main(String[] args)
{
Out.In in = new Out().new In("测试信息");
/*
上面代码可改为如下三行代码:
使用OutterClass.InnerClass的形式定义内部类变量
Out.In in;
创建外部类实例,非静态内部类实例将寄存在该实例中
Out out = new Out();
通过外部类实例和new来调用内部类构造器创建非静态内部类实例
in = out.new In("测试信息");
*/
}
}