2021-08-27 IO流(IO异常处理方式)

import java.io.FileWriter;
import java.io.IOException;

public class FileWriterDemo2 {

    public static void main(String[] args) {
        FileWriter writer = null;
        try {
            writer = new FileWriter("E:/demo.txt");
            writer.write("IO异常处理");
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                if (writer != null) {
                    writer.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

}