Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 11 months ago. Improve this question I need to read a file named “chromedriver.exe” and replace all the occurrences of a string that starts with “cdc_” and is 26 characters long.
Tag: io
How can I open a file in java without its contents been removed?
I want my program to create a file for the user (just for the first time) and write some information to it (it’s not just a line and also can be adjusted anytime later). So I did this: It works but there some problems: When the file gets opened later, as default, the File class removes its contents. When the
is checking if a file object exists redudent and bad style when you have a try, catch block?
Is it overly redundant and considered bad style to check that the file object exists before a try catch. Since the FileNotFoundException would be called anyways if the file object did not exist? …
How to use SequenceInputStream?
š³Background 1.I was learning the basic grammar of input and output in java. 2.But I found that the SequenceInputStream worked strangely. ā”Code package book1.chapter10; import java.io….
How can I remove last 2 lines in text file in Java?
I want remove last 2 lines in my text file using java. I tried 4 or 5 different ways about this, but I can’t find working code. I will edit file like this: [ { “example” } ] …
How to get rid of – ājava.io.IOException: The system cannot find the path specifiedā
I am trying to create a file and write to it, but I’m getting error in my path. Here is my code: @Value(“${base.location}”) private String folderName; if (StringUtils.isBlank(dateFileName)) …
Does commons-io’s FileUtils.readFileToByteArray close the newly created stream?
I’m creating a program that produce checksums for each files in directory. I’m using FileUtils.readFileToByteArray which internally creates a new FileInputStream. The problem is I didn’t find where …
How to save the matrix in the text file
I just want to input the matrix in the text file, but the result are clearly different. I don’t have any ideas. public void saveToTextFile() { try { BufferedWriter writer = new …
get removable sd card path in android
How can i get extSdcard path in android? There are 2 storage, first external storage in which all the phones have it but there is second storage which is called removable storage (micro sdcard). I …
Code in “catch” block not executing
please help me understand why:) My program reach the “try” line, but seems to skip the “catch”, Although its printing the stacktrace… I’m using JOptionPane in my catch, but also System.out.println() not working. Code: Exception: Answer There is an NullPointerException internally just before the FileNotFoundException From your log. You can make sure it from following. This code here only for