How can I split file by newline? I’ve attempted to split by doing line.split(“\r?\n”) – but when I try printing the 0th index I get the entire file content when I was expecting just the first line. but if I try printing the result at index 0 I get the entire file content, when I expect…
Tag: file
How can I get a special part in a string in Java? [closed]
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 2 years ago. Improve this question I have to read commands from a file I have and take necessary actions according to each comm…
File scanner only reading last number in file
Here is the code: I’m supposed to be figuring out the average of scores, while counting how many are in each letter grade. The problem is that it only reads the last number instead of ~80 different numbers. Answer Your if-else logic doesn’t get executed until the while loop ends and the entire fil…
How to get rid of – “java.io.IOException: The system cannot find the path specified”
I am trying to create a file and write to it, but I’m getting error in my path. Here is my code: Answer You can’t have a folder and a file with the same name in the same path location. That’s why this code fails: Here you’re first creating a folder, and then you’re attempting to create a file with…
How to get the current working directory in Kotlin?
I need to know the full path of my current working directory of my simple application using Kotlin. Answer This will provide the full absolute path from where application will run.
TreeContentProvider just getting every Directory of my path. (File Filter)
im trying to get every folder of my path. Now Im getting just folders but as soon as some other file comes up it gives me a JavaNullPointerException. I know its beacuse of listFiles() but I dont know how to let it work otherwise. Can someone help me? “ Answer File.listFiles() returns null if the file is…
Java: Bank simulation: Write to file, erased text/writing symbols
As a way to learn java, I attempted to write something simulating a bank(adding or removing numbers). I succeeded in creating a file(if one does not exist already), and then read from it, but when I attempt to write to it, it fails. I started with FileWriter, where it just erased the text in the document(bala…
how to properly get every line containing a specific word in java
I’m trying to write a program that reads a file and checks every line that contains a specific word then prints it.if there isn’t one it should print “no match for your search”.this is what …
Is there a way to write groups of bits less than a byte in Java
If I was to try to make a program that outputs .Flac files in Java, Flac-format, It appears that I would need to output values less than a byte. Is it even possible to output values less than a byte such as a nybble or a 5-bit number? Answer In the end I think I can do this using bit
How to search for a string in a pdf document [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. We don’t allow questions seeking recommendations for books, tools, software libraries, and more. You can edit the question so it can be answered with facts and citations. Closed 2 years ago. Improve this ques…