java转换流

 1 import java.io.File;
 2 import java.io.FileOutputStream;
 3 import java.io.IOException;
 4 import java.io.OutputStreamWriter;
 5 
 6 
 7 public class TestTransForm1 {
 8 
 9     /**
10      * @param args
11      * @throws IOException 
12      */
13     public static void main(String[] args) throws IOException {
14         
15         String path="D:"+File.separator+"trans.txt";
16         OutputStreamWriter osw = new OutputStreamWriter(new FileOutputStream(path,true),"ISO8859_1");
17         osw.write("test");
18         osw.flush();
19         System.out.println(osw.getEncoding());
20         osw.close();
21         
22     }
23 
24 }

 1 import java.io.BufferedReader;
 2 import java.io.IOException;
 3 import java.io.InputStreamReader;
 4 
 5 
 6 public class TestTransForm2 {
 7 
 8     /**
 9      * @param args
10      * @throws IOException 
11      */
12     public static void main(String[] args) throws IOException {
13         InputStreamReader isr=new InputStreamReader(System.in);
14         BufferedReader br=new BufferedReader(isr);
15         String s=null;
16         s=br.readLine();
17         while(s!=null){
18             if(s.equalsIgnoreCase("exit")){
19                 break;
20             }
21             
22             System.out.println(s.toUpperCase());
23             s=br.readLine();//将s重新指向键盘输入
24         }
25         isr.close();
26         br.close();
27     }
28 
29 }