【FileOutputStream类：带异常的文件写操作】

package test;

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

/**
 * @author shusheng
 * @description 带异常的文件写操作
 * @Email [e-mail]
 * @date 2018/11/9 14:50
 */
public class FileOutputStreamDemo4 {

    public static void main(String[] args) {

        FileOutputStream fos = null;
        try {
            fos = new FileOutputStream("fos.txt", true);
            fos.write(("hello").getBytes());
            fos.close();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                /**如果fos不是null*/
                if (fos != null) {
                    fos.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

    }

}