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
Tag: bufferedreader
How to read multiple integer values from one line in Java using BufferedReader object?
I am using BufferedReader class to read inputs in my Java program. I want to read inputs from a user who can enter multiple integer data in single line with space. I want to read all these data in an integer array. Input format- the user first enters how many numbers he/she want to enter And then multiple integer values
How can I read a file containing text and image data?
I’ve got a file with the following structure: For example: I write the example above like this: This works fine. However, I do not know how to read the file. The problem is that I need to call ImageIO.read() to parse the image, but I can’t call it with a BufferedReader. My draft looks like this: So: How can I
Java using scanner enter key pressed
I am programming using Java. I am trying write code which can recognize if the user presses the enter key in a console based program. How can I do this using java. I have been told that this can be done using either Scanner or, buffered input reader. I do not understand(or know how to use) buffered input reader. I
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 processing? Thanks 🙂 Answer It’s an issue of how you intend to use the stream. A buffered reader exists for simple and threaded applications. This
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.
Closing BufferedReader and System.in
I’ve noticed that if I close the BufferedReader, I won’t be able to insert input from the keyboard anymore, as System.in is somehow closed. Is there anyway I can keep br.close() (I need that in order to delete a file) and then add more input from the keyboard? Answer Looks like you need: http://commons.apache.org/io/apidocs/org/apache/commons/io/input/CloseShieldInputStream.html Wrap that around System.in before making
Android Reading from an Input stream efficiently
I am making an HTTP get request to a website for an android application I am making. I am using a DefaultHttpClient and using HttpGet to issue the request. I get the entity response and from this obtain an InputStream object for getting the html of the page. I then cycle through the reply doing as follows: However this is