java小练习，io操控。

 1 import java.io.BufferedReader;
 2 import java.io.File;
 3 import java.io.FileOutputStream;
 4 import java.io.IOException;
 5 import java.io.InputStreamReader;
 6 
 7 public class IOcontrol
 8 {
 9 
10     public static void main(String[] args) throws IOException
11     {
12         System.out.println("请输入文件地址:");
13         BufferedReader br =  new BufferedReader(new InputStreamReader(System.in));
14         String fileadress =br.readLine();
15         File file = new File(fileadress);
16         if(!file.exists())
17         {
18             file.mkdir();
19         }
20         System.out.println("请输入文件名");
21         BufferedReader br1 =  new BufferedReader(new InputStreamReader(System.in));
22         String filename =br1.readLine();
23         File file1=new File(fileadress,filename);
24         if(!file1.exists())
25         {
26             file1.createNewFile();
27         }
28         System.out.println("请输入文件内容：");
29         BufferedReader br2 = new BufferedReader(new InputStreamReader(System.in));
30         String content = br2.readLine();
31         //jdk7 创建文件新方法
32         FileOutputStream fop = new FileOutputStream(file1);
33         byte[] byteinContent = content.getBytes();
34         fop.write(byteinContent);
35         fop.flush();
36         fop.close();
37         System.out.println("文件创建完成");
38         
39     }
40      
41     
42     
43 
44 }