Java IO 관련

package com.inspur.rail;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;


public class RailChinaSql {
    public static void main(String[] args) {
        try{
        /* D:\test.txt     ，      D:\test_result 。 “\”      */
            InputStream is=new FileInputStream("D:\\test.txt");
            OutputStream os=new FileOutputStream("D:\\test_result.txt");
            BufferedReader reader=new BufferedReader(new InputStreamReader(is));
            BufferedWriter writer=new BufferedWriter(new OutputStreamWriter(os));
            String str=null;
            String[] arrs=null;
            while((str=reader.readLine())!=null){
                arrs=str.split(" ");
                writer.write("update necur_scene_c set longitude="+arrs[0]+", latitude="+arrs[1]
                        +"   "+"where oid='"+arrs[2]+"';"+"\r
");
                //System.out.println("update necur_scene_c set longitude="+arrs[0]+", latitude="+arrs[1]
                //      +"   "+"where oid='"+arrs[2]+"';");
            }
            is.close();
            os.close();


        }catch(IOException e){
            e.printStackTrace();
        }
    }

}