learning java FileOutputStream

Posted 2022-06-12 lianghong881018

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

public class FileOutputStreamTest 
    public static void main(String[] args) 
        try 
            var fis = new FileInputStream("FileInputStreamTest.java");
            var fos = new FileOutputStream("output.txt");
            
                var buf = new byte[32];
                var hasRead = 0;
                while ((hasRead = fis.read(buf)) > 0)
                    fos.write(buf, 0, hasRead);
                
            
            fis.close();
            fos.close();
         catch (FileNotFoundException e) 
            e.printStackTrace();
         catch (IOException e) 
            e.printStackTrace();