本文主要介绍Java里经常使用的子类和父类的变量实例化顺序及陷阱,并结合一个Android实例来探讨此问题.日后编程中应尽量避免此陷阱. 首先看以下一段代码: 定义一个虚类Server.java package org.yanzi.test1; public abstract class Server { private static final int DEFAULT_PORT = 900; public Server() { // TODO Auto-generated constructo
using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms; namespace 磁性窗体的设计{ public partial class Frm_Libretto : Form {
using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms; namespace magnetism{ public partial class Frm_Libretto : Form {