I was trying some basic Java I/O operations, I try to run the below code : public static void main(String[] args) { File file = new File("fileWrite2.txt"); // create a File object try { FileWri...

Please have a look at the following code import java.io.*; public class CSVConverter { private File csvFile; private BufferedReader reader; private StringBuffer strBuffer; private BufferedWr...

Im trying to limit the size creation of one file in my java app. For that I made this sample code which I declare one variable lenght of 32 bytes, start WriteOnFile method looping it until 32 bytes...

Consider a BufferedReader as below: writer = new BufferedWriter(new FileWriter(new File("File.txt"), true)); In this case at the end of the application, I am closing the writer with writer...

Ok so I am learning about I/O, and I found the following code in one of the slides. can someone please explain why there is a need to have a FileWrite, BufferedWriter and PrintWriter? I know Buffer...

I am doing a lab where we have to read in an external file, take some statistics on the data, and then create and write a new file with the stats. Everything in my program works except for wr...

I need to delete the contents of a file, before I write more information into it. I've tried different ways, such as where I delete the content but the file stays the same size, and when I start wr...

I have a program that add persons to an arraylist. What I'm trying to do is add these persons to a text file as well but the program overwrites the first line so the persons get erased. How do I t...

Hi I have a bunch of data Im writing to a text file, each line of the rows holds about 4 different pieces of data, I want to make it so that each type is data is aligned in rows. Here is the line ...

The default buffer size is 8k in BufferedWriter of somewhere else. Why use 8k? Does larger buffer size improve the performance?

I'm appending a line to a textfile each time a button is pressed. Currently I'm doing this each time the button is pressed: ... try { BufferedWriter bw = new BufferedWriter(new FileWriter(f, true...

Greetings , I get huge number of records from database and write into a file.I was wondering what the best way to write huge files. (1Gb - 10Gb). Currently I am using BufferedWriter BufferedWrite...

I was expecting the following code to throw an exception when I goto write data to the Stream: File file = new File("test.txt"); FileOutputStream fs = new FileOutputStream(file); OutputStreamWrite...