Somehow my if loop using a substring to check a .txt file is causing problems. Without the if loop, everything works fine. But with it, it seems that an empty line in the text file is causing it to crash. It is working until the first empty line in the file, and then I get this error. What could I
Advertisement
Tag: bufferedreader
Read files from directory using BufferedReader
I wrote a code to read a files from a directory. The directory contain many files. Firstly, I count the number of the files in the directory, then I would like to count number of lines in the files that have as extension: .info and .data My code is the following: I got as error: The error concerns the FileReader,
Why bufferedReader is much efficient than Scanner class in java? [closed]
Have a look in the following question , no matter how much efficiently you write the solution for this , using Scanner class is resulting in the time out . Question : You have given an array , having …
Ignoring blank lines in CSV file in Java
I am trying to iterate through a CSV file in Java. It iterates through the entire file, but will get to the end of the file and try to read the next blank line and throw an error. My code is below. Like I typed, this works fine until it gets to the end of the file. When it gets
Java Process cannot get the InputStream through Runtime.getRunTime().exec()
The Code has issues with getting the InputStream from the Process, because if I run the Shell script from my Terminal it runs completely fine, but if I Run the Script like this,the str is always null, I am using this code to get the output of the Shell Script directly into Java instead writing the Script Output in the
what are the benefits of BufferedReader over Scanner
here’s a code about depth first search in graphs. who knows why bufferedReader class were used in this code? and why nextInt function not used instead? what is its privilege? is it for speeding up …
How do I tell if an empty line has been read in with a BufferedReader?
I’m reading in a text file formated like So I need to keep try of whether I’m in a definition or not based on when I reach those emtpy lines. Thing is, BufferedReader discards n characters, and somehow comparing that empty line to String “” is not registering like I thought it would. How can I go about doing this.
Advertisement