默默地程序员

宠物商店 //接口的使用，类的封装，链表 //2012.7.25 interface Pet{ //宠物前台 public String getName() ; public String getAge(); public String getColor(); public String getCategory(); //抽象方法--宠物类别 }; abstract class

错误： No enclosing instance of type Test1 is accessible. Must qualify the allocation with an enclosing instance of type Test1 (e.g. x.new A() where x is an instance of Test1). 代码：public class Test1

TCP //tcp协议链接 //2012.8.9 import java.net.*; import java.io.*; public class ServerDemo { public static void main(String args[])throws Exception{ ServerSocket server = null; //服务端 Socket cli

反射的学习 package xzx.getandset; import java.lang.reflect.Constructor; import java.lang.reflect.Modifier; public class GetAndSetDemo{ public static void main(String args[]){ Class cls = null; Person

interface Info{ }; class Introduction implements Info{ String name; String age; String sex; public Introduction(String name,String age,String sex){ this.name = name; this.age = age; this.sex

字节流 //2012.8.9 //IO流操作 import java.io.*; public class IoDemo{ public static void main(String args[]){ OutputStream out = null; //输出流 InputStream in = null; //输入流 //目录 String locket = "g:" +

二叉树的实例 //2012.7.29 //二叉树 class Student implements Comparable{ int score; String name; public Student(String name,int score){ this.name = name; this.score = score ; } public int compare

实现链表操作 //链表 //2012.7.25 class DoIt{ class Node{ private String data; private Node next; public void setNext(Node next){ this.next = next; } public Node getNext(){ return this

//类的封装 //主要是完成login In登录验证  //2012.7.24 class Check{ public boolean check(String name,String password){ if(name.equals("xxxx")&&password.equals("0000")){ return true; }else{ return false

实现一个咖啡厅的点单系统 一杯咖啡+各种调料 使用面向对象的方法编程，并遵循开闭原则 //2012.8.1 //咖啡厅点单系统 public abstract class Beverage{ //咖啡的抽象类 String name = "unknow"; String description = "unknow"; public String g