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  • IO之转换流举例

    import java.io.*;
    public class TestTransForm1 {
      public static void main(String[] args) {
        try {
          OutputStreamWriter osw = new OutputStreamWriter(
               new FileOutputStream("d:\bak\char.txt"));
          osw.write("mircosoftibmsunapplehp");
          System.out.println(osw.getEncoding());
          osw.close();
          osw = new OutputStreamWriter(
                                          new FileOutputStream("d:\bak\char.txt", true),
                                          "ISO8859_1"); // latin-1
          osw.write("mircosoftibmsunapplehp");
          System.out.println(osw.getEncoding());
          osw.close();
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
    }
    import java.io.*;
    public class TestTransForm2 {
      public static void main(String args[]) {
        InputStreamReader isr = 
                new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(isr);
        String s = null;
        try {
          s = br.readLine();
          while(s!=null){
            if(s.equalsIgnoreCase("exit")) break;
            System.out.println(s.toUpperCase());
            s = br.readLine();
          }
          br.close();
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
    } 
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  • 原文地址:https://www.cnblogs.com/janson071/p/10079451.html
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