bufferedreader Questions

7

Solved

When receiving data using readLine(), even though I put a "\n" at the end of the message using the .flush when sending the message, the while loop that reads my message still blocks. Only when clos...
Hudak asked 20/3, 2013 at 10:46

4

Solved

I want to send a command to a server, and find out if I get a response. Right now i am using BufferedReader's readline() function, which blocks until there's a response from server, but all I want...
Trimetallic asked 30/6, 2012 at 11:41

2

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The InputStream is passed as a parameter from somewhere, where it will be further processed and then closed. So I don't want to close the InputStream here. Consider the following code: void readIn...
Craniometry asked 6/4, 2019 at 12:52

3

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I am studying Android development (I'm a beginner in programming in general) and learning about HTTP networking and saw this code in the lesson: private String readFromStream(InputStream inputStre...
Friedman asked 31/3, 2017 at 18:7

2

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When I define my array strings in this way: String[] X = {"X","M","J","Y","A","U","Z"}; String[] Y = {"M","Z","J","A","W","X","U"}; my code works and it prints [M, J, A, U] which is the longest ...
Taeniacide asked 15/12, 2019 at 16:3

6

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What is the difference between Java's BufferedReader and InputStreamReader classes?
Selfrighteous asked 11/9, 2011 at 6:15

2

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I am trying to read the InputStream from IHTTPSession.getInputStream() using the following code but its gives Socket TimeOut Exception every time. private String readInStream(InputStream in){ St...

7

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Let's say, I have a folder called maps and inside maps I have map1.txt, map2.txt, and map3.txt. How can I use Java and the BufferReader to read all of the .txt files in folder maps (if it is at all...
Anguiano asked 7/5, 2011 at 21:55

3

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I need some help: I'm making a Supermarket simulation on Java, but I've got one problem, I have a text file (Stock.txt) where I have all the supermarket stock on it for example: 0-Bakery-Chocolat...
Monacid asked 1/6, 2015 at 1:25

5

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I just learned about input/output using BufferedReader. I wanted to know what exactly are the meanings of the term Stream and Buffer? Also what does this line of code serves us: BufferedReader b...
Fusion asked 13/4, 2013 at 6:1

3

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Been looking for a way to fix this issue. Read all the previous answers but none helped me out. Could it be any error with SonarQube? public class Br { public String loader(String FilePath){ B...
Contravallation asked 15/5, 2019 at 13:55

6

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I have been searching a lot for the fastest way to read and write again a large files (0.5 - 1 GB) in java with limited memory (about 64MB). Each line in the file represents a record, so I need to ...
Legra asked 31/10, 2012 at 10:19

7

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So I'm having an issue reading a text file into my program. Here is the code: try { InputStream fis = new FileInputStream(targetsFile); BufferedReader br = new BufferedReader(new InputStreamReade...
Cherycherye asked 15/11, 2012 at 20:40

7

I am trying to practice reading text from a file in java. I am little stuck on how I can read N amount of lines, say the first 10 lines in a file and then add the lines in an ArrayList. Say for ex...
Sweat asked 25/11, 2014 at 15:1

4

Solved

According to the documentation, BufferedReader(Reader) uses a default buffer size, while the second constructor, BufferedReader(Reader, int) allows the buffer size to be set. public BufferedReader...
Buoyage asked 6/6, 2013 at 23:23

3

Here is a line reading a file into a List: List<String> lines = new BufferedReader( new InputStreamReader(classLoader.getResourceAsStream(fileName))) .lines() .collect(Collectors.toList(...
Williemaewillies asked 26/2, 2019 at 15:26

1

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I'm trying to efficiently read in, and parse, a compressed text file using the gzip module. This link suggests wrapping the gzip file object with io.BufferedReader, like so: import gzip, io gz = g...
Flyblown asked 10/2, 2019 at 18:59

2

So, I'm reading from a BufferedReader. Everything goes fine, until I add one condition. I need to read from BufferedReader for a specific duration of time. This is what I'm doing right now. whi...
Equilateral asked 2/2, 2019 at 16:29

6

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I want to optimize this code: InputStream is = rp.getEntity().getContent(); BufferedReader reader = new BufferedReader(new InputStreamReader(is)); String text = ""; String aux = ""; while ((au...
Informative asked 12/1, 2011 at 8:44

3

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I am working on an app that takes the .txt file from a phone as input and prints it on the TextView, public class MainActivity extends AppCompatActivity { Button button; Intent intent;private Stri...
Invalidism asked 9/10, 2018 at 4:9

6

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I have to open a .exe file from my Java program. So I tried following code First. Process process = runtime.exec("c:\\program files\\test\\test.exe"); But I was getting some error. Then I found...
Emera asked 21/5, 2012 at 13:10

2

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I would like to read first (and only) line from File in kotlin. File itself is huge so I would like to use memory efficient solution. I wonder if there is any better solution than: File("huge.txt...
Shum asked 14/9, 2018 at 14:2

6

I am trying to read a resource that will be included into a .JAR, but I get a nullPointer for the following: bReader = new BufferedReader(new InputStreamReader( this.getClass().getResourceAsStrea...
Proven asked 3/3, 2013 at 17:18

6

I would like to know what are the mark() and reset() methods of BufferedReader? How do I use them? I read the Javadoc but as a beginner I was unable to understand it.
Accurate asked 23/11, 2011 at 9:47

4

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I have a very large file (several GB) in AWS S3, and I only need a small number of lines in the file which satisfy a certain condition. I don't want to load the entire file in-memory and then searc...

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