java.io 패키지 실습 -FileWriter, BufferedWriter

FileWriter, BufferedWriter

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import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.FileWriter;

import java.io.IOException;

//String으로 입력 FileWriter

//Buffered : 한줄을 통채로 입.출력

 

public class FileIoEx07 {

 

        public static void main(String[] args) {

               FileWriter fw = null;

               BufferedWriter bw = null;             //2차 스트림선언 (Buffered)

              

               try {

                       fw = new FileWriter("C:\\dirs\\text3.txt", true);

                       bw = new BufferedWriter(fw);

                                            

                       bw.write("whdvy");

                       bw.write("777");

                       bw.write("\r\n");

                       bw.write("세종대왕");

//                     bw.flush();            //버퍼를 비우는 명령어

               } catch (IOException e) {

               } finally{

                       //buffer를 먼저 닫고 file을 닫아야함.

                       if(bw != null) try{bw.close();} catch (IOException e){}

                       if(fw != null) try{fw.close();} catch (IOException e){}

               }

              

        }

}

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