0725每日一练---文件写入

Posted 2020-09-29

package com.mxf.date0725;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class IpTransform {

    public static void main(String[] args) {
        String data = "Hello world";
        File file = new File("D:/1.txt");
        FileOutputStream output = null;
        try {
            if (!file.exists()) {
                file.createNewFile();
            }
            output = new FileOutputStream(file);
            output.write(data.getBytes());
            output.flush();
            output.close();
        } catch (FileNotFoundException e) {
            System.out.println("Exception = " + e);
        } catch (IOException e) {
            System.out.println("Exception2 = " + e);
        }
        finally {
            try {
                output.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }

}

http://www.jb51.net/article/47062.htm