main.java

这是一个用Java编写的路由器模拟程序。可以利用计算机模拟路由器实现路由表的生成、转发等等功能。

import java.io.*;
class Main
{
	public static void main(String [] args)
	{
		boolean flag=false;
		System.out.println("Initialize the router,input router Id    router port('exit' to quit)");
		String get=null;
	     try
	     {   
		 FileWriter fw=new FileWriter("E:/HomeWorkTest/MyTest/store.txt",true);   
		 BufferedWriter bw=new BufferedWriter(fw);   
		 while(!flag)
		 {
		 	BufferedReader bbr=new BufferedReader(new InputStreamReader(System.in));
		 	get=bbr.readLine();
		 	if(get.equals("exit"))
			{
				flag=true;
			}
			else
			{
				bw.write(get+"\r\n");
		 	}
		 }
		 bw.close();   
	      fw.close(); 
		} 
		catch(Exception ex)
		{
		  ex.printStackTrace();
	     }
	}
}