pw 간단입력문제

PrintWriter를 통해 data.txt파일에 안녕하세요. PrintWriter입니다.라고 적어보세요

 

 

 

import java.io.*;

public class CharIOExam{
  public static void main(String[]args){
        PrintWriter pw = null;
    String str = "안녕하세요. PrintWriter입니다.";
    try{
        pw = new PrintWriter(new FileWriter("data.txt"));   
      pw.println(str);
    }catch(Exception e){
        e.printStackTrace();
    }finally{
      try{
            pw.close();
        }catch(Exception e){
            e.printStackTrace();
        }
    } 
    System.out.println("안녕하세요. PrintWriter입니다.");

  }
}