Vector例子:可以往向量中添加各种类型的数据
class MyVector extends Vector...{ public MyVector() ...{ super(1,1); } public void addInt(int i) ...{ addElement(new Integer(i)); } public void addString(String s) ...{ addElement(s); } public void printVector() ...{ Object o; int len=size(); System.out.println("the size of Vector is :"+len); for(int i=0;i<len;i++) ...{ o=elementAt(i); System.out.println(o.toString()); } }}
本文来自博客,转载请标明出处:http://blog.csdn.net/DavidLove/archive/2006/10/10/1329337.aspx
Hashtable例子:统计网站访问次数,根据用户名来统计
Hashtable userTable=new Hashtable();public int getCount(String userName)...{ Integer count=(Integer)userTable.get(userName); if(count==null) ...{ int nowCount=count.IntValue()+1; userTable.put(userName,new Integer(nowCount)); return nowCount; } userTable.put(userName,new Integer(1)); return 1;}
本文来自博客,转载请标明出处:http://blog.csdn.net/DavidLove/archive/2006/10/10/1329337.aspx
