test.java

该压缩文件中共包含16个非常实用的java学习实例

import java.net.*;
import java.io.*;

public class Test //这里定义一个类，类名一定要和我们的文件名一样
{
	public static void main(String args[])  //主函数是java程序的入口
	{
		
		try
		
		 {
		 	for(int j=0;j<22;j++)
		 	{
		 		try
		{   
            
			String temp="";
			
			try
		{   
            if(j<10)
               temp="http://comic.narutos.net/op/379/BigBull_0"+j+".jpg";
			else
			 temp="http://comic.narutos.net/op/379/BigBull_"+j+".jpg";
			URL url=new URL("");
			System.out.println("URL资源定位成功！正在打开输入流……");
			BufferedReader br=new BufferedReader(new InputStreamReader(url.openStream()));
			PrintWriter out=new PrintWriter(new FileWriter(j+".jpg"));
			System.out.println("输入流创建成功！");
						
			temp=br.readLine();
			System.out.println("正在下载，请稍候……");
			while(temp!=null)
			{
				out.println(temp);
				out.flush();
				temp=br.readLine();
			}
			br.close();
			out.close();
			System.out.println("下载完毕，请验收！");
			
		}catch(Exception e){}
			URL url=new URL(temp);
			System.out.println("URL资源定位成功！正在打开输入流……");
			
			BufferedReader br=new BufferedReader(new InputStreamReader(url.openStream()));
			PrintWriter out=new PrintWriter(new FileWriter("aaa.html"));
			
			System.out.println("输入流创建成功！");
						
			temp=br.readLine();
			System.out.println("正在下载，请稍候……");
			while(temp!=null)
			{
				out.println(temp);
				out.flush();
				temp=br.readLine();
			}
			br.close();
			out.close();
			System.out.println("下载完毕，请验收！");
			
		}catch(Exception e){}
		 	}
		 }catch(Exception ee){}
		
	}
}