filewriter Questions

6

Solved

The code I've written is supposed to overwrite over the contents of the selected text file, but it's appending it. What am I doing wrong exactly? File fnew=new File("../playlist/"+existingPlaylist...
Jumbala asked 5/12, 2012 at 18:8

10

Solved

I have coded the following FileWriter: try { FileWriter writer = new FileWriter(new File("file.txt"), false); String sizeX = jTextField1.getText(); String sizeY = jTextField2.getText(); write...
Bybee asked 31/8, 2013 at 15:28

4

I have 14 lists and each list have either numeric or string data. Size of each list is 32561. I have to output a file with the format: list1_element1 list2_element1.......................list14_el...
Schluter asked 14/10, 2013 at 10:53

5

Solved

So far I have this: File dir = new File("C:\\Users\\User\\Desktop\\dir\\dir1\\dir2); dir.mkdirs(); File file = new File(dir, "filename.txt"); FileWriter archivo = new FileWriter(file); archivo.wri...
Viator asked 7/10, 2014 at 5:33

2

Solved

I am training a simple TensorFlow model. The training aspect works fine, but no logs are being written to /tmp/tensorflow_logs and I'm not sure why. Could anyone provide some insight? Thank you # ...
Overby asked 15/2, 2017 at 17:7

9

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I am trying to copy the contents of one text file ("1.txt") which contains 2-3 integer numbers (ex: 1 2 3) to another text file ("2.txt") but I am getting the following error upon compilation impo...
Brain asked 2/5, 2013 at 5:30

2

Solved

HTML5 introduces the FileWriter class. With this class you can make Blobs. (A File is an extension of a Blob.) With JavaScript you can make a Blob and for instance show it using the dataURL. ...
Unconscionable asked 19/12, 2010 at 21:22

5

Solved

I want to format and write the contents of a large Map (1.785.530 entries) to a text file. After about 85% of the entries are processed, it gets very slow and then I get an OutOfMemoryException. T...
Sulphathiazole asked 27/5, 2015 at 19:15

4

Solved

I admittedly am still learning and would consider myself a novice (at best) regarding programming. I am having trouble with appending a file in android. Whenever I save, it will rewrite over the fi...
Ekaterinodar asked 11/12, 2014 at 3:50

2

I'm trying to write json data to a json file. After code execution no errors are thrown but the .json file is empty. Please find below code and help on this import java.io.BufferedWriter; import...
Kozlowski asked 1/9, 2017 at 7:14

4

Solved

Through my Android program I wrote a file like this: String file = Environment.getExternalStorageDirectory().getAbsolutePath() + "/Files/hello.txt"; BufferedWriter writer = new BufferedWriter(new ...
Artificiality asked 12/9, 2011 at 17:10

2

Solved

I have created an CSV file using java.io.FileWriter and its creating the file in my workspace but I want to display the location (absolute path) of the path where file is created. I know we can use...
Luke asked 23/7, 2017 at 2:44

7

Solved

Are PrintWriter and FileWriter in Java the same and no matter which one to use? So far I have used both because their results are the same. Is there some special cases where it makes sense to prefe...
Alfie asked 22/4, 2011 at 20:52

3

I'm having trouble to append data to an existing file in HDFS. I want that if the file exists then append a line, if not, create a new file with the name given. Here's my method to write into HDFS...
Cohdwell asked 10/4, 2014 at 19:20

6

Solved

I want to delete some content of file using java program as below. Is this the write method to replace in the same file or it should be copied to the another file. But its deleting the all conten...
Pismire asked 6/12, 2012 at 10:34

2

Solved

I have a problem in my PhoneGap app. I would like to write a file of 15 MB. If I try the OS pulls more and more memory and the app crashes without message. I can reproduce this on android and black...
Bedad asked 11/9, 2013 at 8:30

2

Solved

I am writing a Scala code that requires me to write to a file in HDFS. When I use Filewriter.write on local, it works. The same thing does not work on HDFS. Upon checking, I found that there are t...
Ronen asked 26/8, 2016 at 18:56

3

Solved

When using a PrintWriter like this : PrintWriter fileOut = new PrintWriter(new BufferedWriter(new FileWriter(csvFileIn))); What do I need to close in the finally block ? The PrintWriter, t...
Kathyrnkati asked 8/7, 2016 at 9:54

7

Solved

For storing data offline WebApp can use: session storage, "advanced version of cookies" key/value based Web Storage (AKA local/global/offline/DOM storage) sql-based Web SQL Database (deprecated) ...
Seal asked 14/10, 2010 at 19:19

2

Solved

My script needs to read and write from a JSON file. This works without problems. I copy the file locally, edit the object, and write them back out to the file. However, when I close the script with...
Anticlastic asked 16/6, 2016 at 12:24

4

Solved

I have a class compositionJSON. The class has a method calls makeJSONObject, that creates a JSON-Object and put stuff in it. Here is the code of the class. public class CompositionJso extends JSON...
Trela asked 8/1, 2016 at 16:1

4

Solved

Given this input 0000027788|001400000000000000000001224627|G1|||G1 0000027789|001400000000000000000001224627|D1|||G1 0000027790|001400000000000000000001224627|D1|||G1 0000027790|001400000000000000...
Magdau asked 19/12, 2015 at 6:26

4

Solved

I met a problem with BufferedWriter when I write data to a single file with some threads. I set the buffer size of the BufferedWriter, but no matter what number I set, it flushes the data to disk ...
Luralurch asked 8/9, 2015 at 7:18

4

Solved

I'm looking for an easy and save solution to append text to a existing file in Java 8 using a specified Charset cs. The solution which I found here deals with the standard Charset which is a no-go ...
Dentate asked 18/5, 2015 at 15:36

3

I wrote a file through my Android program like this: String file = Environment.getExternalStorageDirectory().getAbsolutePath() + "/Files/hello.txt"; BufferedWriter writer = new BufferedWriter(new ...
Polyphony asked 15/9, 2011 at 10:1

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