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1. Executing java code given in a text file    stackoverflow.com

I have a set of java code in a text file. Is it possible for me to read line by line from the text file and execute the commands as in ...

2. Java program which accepts a list of existing text files from command line arguments    stackoverflow.com

Question: write a Java program which accepts s list of existing text files from command line args and concatenates the contents of all files in "Master.txt". It gives error while testing 4 ...

3. How to detect if two text files are identical in java    stackoverflow.com

I would like to detect if file1.xml is different than file1.xmlCheck is there a way to do this in java? I am planning on having a guid as the only difference in ...

4. importing a text file    stackoverflow.com

any way easier to do this?? i'm trying to import a file which is four lines:

name
phone
mobile
address
I'm using:
public void importContacts() {
    try {
        ...

5. Java Export - Text Files    stackoverflow.com

I tried to export a Java program from Eclipse to a .jar file, but I came across a problem. It ran fine, but for some reason it didn't find the text ...

6. How to erase existing text in a file    stackoverflow.com

I'm working on an assignment for school, and am trying something beyond for extra credit. The program is to demonstrate the efficiency differences between a linear & binary search for ...

7. How do I include the text of a file in my Java code?    stackoverflow.com

It seems that Java is not set up to do what I have previously done in C++ (no big surprise there). I've got a set of rules that are generated from ...

8. Java textfile I/O problem    stackoverflow.com

I have to make a torpedo game for school with a toplist for it. I want to store it in a folder structure near the JAR: /Torpedo/local/toplist/top_i.dat, where the i is ...

9. How to identify/handle text file newlines in Java?    stackoverflow.com

I get files in different formats coming from different systems that I need to import into our database. Part of the import process it to check the line length to make ...





10. Making a text file available to all methods in Java    stackoverflow.com

I have a simple single Java file, that has main method and a bunch of other methods. I'd like to open a text file in my main method but keep it ...

11. How to pass a text file as a argument?    stackoverflow.com

Im trying to write a program to read a text file through args but when i run it, it always says the file can't be found even though i placed it ...

12. Java login screen using a textfile    stackoverflow.com

I am creating a java application and I need to get the user PINs from the text file. I used the following code below, but is it not working properly. Could ...

13. How to access inline text file using Java?    stackoverflow.com

A program i am working on deals with processing file content. Right now i am writing jUnit tests to make sure things work as expected. As part of these tests, i'd ...

14. make a list out of a text file in java?    stackoverflow.com

I have a text file full of numbers and I want to read the numbers into Java and then make a list that I can sort. it has been a while ...

15. work with text files in java    stackoverflow.com

I have just started learning java after C + +. but so far nothing is clear. especially the work with classes. tell me please how to open a file for reading or writing? ...

16. How to get to the end of a text file in Java efficiently?    stackoverflow.com

I was searching SO to see if there was a question about this but apparently not so. I am currently reading a text file using BufferedReader. My only problem is that ...





17. Check if a text file exists    stackoverflow.com

I need to pick a text file from a folder and read the data in the file. The file is generated dynamically in that folder in the format "XXX_2010-12-06". So, first ...

18. what is the efficent way to process larges text files?    stackoverflow.com

I have two files:
1- with 1400000 line or record --- 14 MB
2- with 16000000 -- 170 MB I want to find if each record or line in file 1 is also in ...

19. How to skip first 3 rows of a text file?    stackoverflow.com

When I read the text file using Java, how can I skip first three rows of the text file? Current program,

public class Reader {
    public static void main(String[] args) ...

20. How to encrypt/decrypt text files using ElGamal    stackoverflow.com

I'm trying to encrypt and decrypt text files using ElGamal for my study but it seems that I could not make it work correctly. I have a group of text files ...

21. how to read/write text file in j2me    stackoverflow.com

i want to know how to read and write text to a .txt file in j2me help me thanks...

22. Store and fetch chat messages in text file Java    stackoverflow.com

How do I store chat messages in a Text File in Java and then fetch them later when needed Also is xml better solution for this

23. text files clustering    stackoverflow.com

i have text files as shown below ex: file 1:

       yamaha
       gladiator 
       bike  ...

24. serialize java object to text file    stackoverflow.com

I have a java library, I would like to save an instance of a java object to a text file. I have tried to use all java libraries for serialization and ...

25. Creating a maze graph from a text file : Java    stackoverflow.com

I need to make a graph from a text file containing multiple 'mazes' represented as adjacency lists. The list is as follows:

A,G
A,B,F
B,A,C,G
C,B,D,G
D,C,E
E,D,F,G
F,A,E
G,B,C,E

D,F
A,B,G
B,A,C,E,G
C,B,D,E,G
D,C
E,B,C,G
F,G
G,A,B,C,E,F

F,A
A,B,G
B,A,G
C,D,G
D,C,G
E,F,G
F,E,G
G,A,B,C,D,E,F
The first line of each 'maze' contains the starting node ...

26. Run a simple text file as java    stackoverflow.com

I have a simple .txt file which has pure Java code inside it like

   public class C {
      public static void main(String[] args ) ...

27. Java Code to monitor changes in a text file    stackoverflow.com

I need to write a java code which detects changes done to a text file and also notify what change was done to the text file when the text file is ...

28. How check if a file is plain text?    stackoverflow.com

In my program, the user can load a file with links (it's a webcrawler), but I need to verify if the file that the user chooses is plain text or another ...

29. java - analyzing big text files    stackoverflow.com

I need to analyze a log file at runtime with Java. What I need is, to be able to take a big text file, and search for a certain string or regex ...

30. java- create simple byte offset index of a text file    stackoverflow.com

I would like to index every 100th line of a very large text file with its corresponding byte offset. As I'm reading through the file to create my index with a ...

31. Question About Copying Text File in Java    stackoverflow.com

so with this piece of code I've written, I was wondering why I am not receiving the type of output I want...

//Method to copy over a file to a new file ...

32. How to run the java command stored in the text file    stackoverflow.com

I have a list of java commands to be executed is stored in a text file. Using maven exe plugin I want to refer this file and execute those commands dynamically ...

33. Identify paragraphs using java in text files    stackoverflow.com

I am trying to implement a program in Java that will find the name of a chapter, and then read and store its content. The initial documents to be parsed are ...

34. Outputing text to a file?    stackoverflow.com

After running my program I get this beautifully formatted text:enter image description here What do I need add to my code in order to get this text outputted to a ...

35. Dates from a text file    stackoverflow.com

I just wanted to ask whether it is possible to find Dates in all possible formats in a text file and print the results. I was able to open the file ...

36. Java, Using a newly-created Text File    stackoverflow.com

The code below describes a Java situation. I used some psudocode in the getRuntime().exec function; but, the main point is that a new file is created. Although the second line ...

37. 300 mb text file using java    stackoverflow.com

I am a newbie in Java, I want to open a 300 mb text file and read and parse line by line, after doing some research I think nio package is ...

38. How to create a method out of the text file?    stackoverflow.com

I have a text (.txt) file that contains Java code! I want to create a method that includes this Java code and then call that method through the program. Can ...

39. How to know if a file is text rendering or not? (Java)    stackoverflow.com

How can I know at run time if the file in a specified folder is text rendering or not? (i.e files like csv, html, etc that can be displayed as text) I ...

40. creating a simple index on a text file in java    stackoverflow.com

I need to implement a simple indexing scheme for a big text file. The text file contains key value pairs and I need to read back a specific key value pair ...

41. How to distinguish the text file?    stackoverflow.com

Possible Duplicate:
How do I detect the encoding of some text?
How to distinguish the unicode text file and others of a text file? I am doing ...

42. Single Variable Polynomial (from text file)    stackoverflow.com

I want to modify the below code to read the nodes from a text file (vs. hard-coded values) Furthermore, read data from text file in the format: P1 = 3 5 1 -1 ...

43. java 8k limit on text files    stackoverflow.com

I'm new at java. I have a 12k ".TXT" file that I'm reading into a String array - no problem. I want to now output that String array to a new ...

44. Taking values from a text file inside paintcomponent    bytes.com

// for(int i=0; i

45. How to generate a text file? Please Help    coderanch.com

I have an application in which some text (that includes int and double values) to certain file. How can I view a text file. I tried with RandomAccessFile by writing the text and numbers using WriteInt and WriteDouble methods etc. But when I tried to view the text file..it displays all the junk with some characters as *...and etc. Can any ...

46. how to concatenate two text files    coderanch.com

47. creating text files using IO    coderanch.com

48. I need help with seeking to abitiary positions within a text file.    coderanch.com

Greetings everyone, I have this school assignment which states, Design and write a program to compare the contents of any two text files. The files should be compared line by line with a simple message beingb displayed, such as: The following lines are different, followed by the contents of the two lines, whienever a line from the first file is not ...

49. Text files - setting my own record separator    coderanch.com

I don't know of a simple way to do this with the standard library, unless you're willing to load the whole line into memory. (Once you've got the complete String you can just use split(String pattern), or use java.util.regex.Pattern and Matcher.) However it also shouldn't be too complex to make a RecordReader class which operates similar to a Buffered Reader, but ...

50. Combining Text Files    coderanch.com

I'm guessing you want to copy all of file 1 to a new output, then copy all of file 2 to the new output. You'll have to write the copy operation yourself - read from one file, write to another. Look into FileReader and FileWriter. Note that the docs have links to BufferedReader and BufferedWriter that will help you process one ...

51. Simple text file records using properties or ?    coderanch.com

I have need for a very simple text records. A few different types of records, a dozen records total in the file. One example, using text field=value formatting: name=bob count=2 data=test timestamp=2005/04/04... name=joe count=2 data=test timestamp=2005/04/04... deleted=tom timestamp=... Any suggestions? I hate the idea of manually parsing it and dealing with whitespace, line continuation, long fields, null fields, etc. I thought ...

52. Problem organizing text in file    coderanch.com

Hello everyone. This is my first post. I have run into a bit of a problem. However I am not looking for an answer just a nudge in the right direction. On with the problem. I have a text file which contains information presented using the following formats: topMenu1 topMenu2 topMenu3... subMenu1 subMenu2 subMenu3... (in this case subMenu1 is a sub ...

53. in text file '╟' is taken as '?'    coderanch.com

Hi, I am reading one txt file and just copying one file to other.. but that file contain one delemeter "" which is taken as '?' by JVM. and while writing into file it is replacing as '?' if I view that file on solaris machine that character is like '',and if I will open in vi editor it will show ...

54. manipulating text file    coderanch.com

Hi guys, I am writing a log file char by char... my requirement is, if user presses the backspace (on gui) the written char should be deleted back from the file since i have already written it to the file... can you please tell me how can be one text file manipulated specially deleted few chars on perticular index.. i know ...

55. I need to divide a text file into blocks of 128 bits, how do i do it?    coderanch.com

Hi I have to divide a text file into blocks of 128 bits. I think i must use the ByteArrayInputStream and ByteArrayOutputStream classes. my question is how would i do that? is there any website showing how to user these two ByteArrayInputStream and ByteArrayOutputStream classes in detail. or it would be much better if you could show me a portion of ...

56. Create a file and then writes it text    coderanch.com

57. Updation of any Text File    coderanch.com

Hi, I want to update any text file by simple replacing one line with another new line. Currently I am using MappedByteBuffer to do the task. If the replaced line and replacing line are of same length then it is working fine. But if the length is different then It is disturbing the next line.Which I do not want. So can ...

58. text file    coderanch.com

For reading a file the code I linked to above is a good start. Make sure you understand that before moving on. In order to count words, digits etc. you need to come up with a definition of what constitutes a word/sentence/paragraph. In other words, which characters in the text do you need to look for in order to separate one ...

59. Manipulating a text file    coderanch.com

Here is what I have so far: import java.io.*; import java.util.regex.*; class regex { public static void main (String [ ] args) throws IOException{ try { BufferedReader inFile = new BufferedReader(new FileReader("store-orders.txt")); BufferedWriter outFile = new BufferedWriter(new FileWriter("excel.txt")); String str; while ((str = inFile.readLine()) != null){ //if (str.matches("^*$")) // outFile.write("It matches!\n"); } inFile.close(); outFile.close(); } catch (IOException e) { } } ...

60. how to get the last modified time of a text file    coderanch.com

Dear Rob, I am asking about the ftp environment. Here is my program.It is throwing exceptions when I retrieve lastmodifiedtime of a file from an ftp server. /* * Main.java * * Created on April 23, 2008, 4:41 AM * * To change this template, choose Tools | Template Manager * and open the template in the editor. */ package javaapplication1; ...

61. text files creation    coderanch.com

Is it possible to create multiple text files using the class Formatter? Here is the instructions for this program: "Write a program to create data for testing the (file-matching accounts receivable) program. Use sample account data from blah blah blah. Run the program to create the files trans.txt and oldmast.txt, to be used by your file-matching program." I've seen in the ...

62. the ouput text file is unreadable    coderanch.com

import java.io.*; public class readWriteFile{ public static void main(String []args)throws IOException { // Create an output stream to the file DataOutputStream output = new DataOutputStream(new FileOutputStream("temp.txt")); // Output values to the file for (int i = 1; i <= 10; i++) output.write(i); // Close the output stream output.close(); // Create an input stream for the file DataInputStream input = new DataInputStream(new ...

63. Reg: text file into java    coderanch.com

Hello friends, i just want to know about how to take a data from .txt file and strore it into java object. Let us assume that .txt file has 3 columns(name, employnumber and address) and 40 rows, and was seperated by ",". How can we seperate this and will take into java object. as i think we can use string concation ...

64. executing java expression from a text file!    coderanch.com

Hi all! This might be far fetched, but i really need to know if its possible to read a java expression from a text file and execute it. Example : width = imgwidth - 100; Where the variables r defined and known by the class that read this line. Thanks in advance!

66. text file    coderanch.com

Greetings, You would need to explore the following --> java.io.File and the methods such as ++ createNewFile() Atomically creates a new, empty file named by this abstract pathname if and only if a file with this name does not yet exist ++ delete() Deletes the file or directory denoted by this abstract pathname ++ mkdir() Creates the directory named by this ...

67. Call text file in init() method    coderanch.com

Hi mark, Do i need to call below Controller Controller ControllerServlet ActionConfig config.txt If it is correct pls advise me below points (a) where do i need to keep config.txt and (b)How can invoke the filereader object(above text file) in my service or dopost method. Pls advise me tks a lot jowsaki

68. How to manage a text file is a List or something similar.    coderanch.com

Hi guys, I have 2 text files, each is in the standard Key=Value style. I would like to be able to quickly read those files into a List object of some sort, and then be able to add pairs to the end of the file and maybe if I get more advanced, change values in the pairs. I think this is ...

69. Need help outputting to a text file...    coderanch.com

Need help outputting to a text file... (Java in General forum at JavaRanch) A friendly place for programming greenhorns! Register / Login Java Forums Java Java in General Need help outputting to a text file... Post by: Adam Ellsworth, Greenhorn on Nov 22, 2004 20:20:00 I have a binary search tree and need to output it before it clears ...

70. Dynamically create objects from a text file    coderanch.com

How to i create objects dynamically, Say i need to create x number of "Machine" Objects. This is the way i create 1 machine object. Machine a; Machine a = new Machine (....constructor... ) Say i want to program such that i create x machine objects, the x is unknown at compile time, but is stored in a text file. Assuming ...

71. How do I copy and paste to a text file?    coderanch.com

How do I copy and paste to a text file? (Java in General forum at JavaRanch) A friendly place for programming greenhorns! Register / Login Java Forums Java Java in General How do I copy and paste to a text file? Post by: carl sjostrom, Greenhorn on Jan 04, 2006 10:12:00 Every day I use I.E. and go to ...

72. Text File Help    coderanch.com

I am trying to write to a text file multiple times while saving the previously entered info. I've been searching the web for solutions, but haven't been able to find any. The problem I am having right now is that the output is not comming out correctly. import java.io.*; import java.util.*; class WriteFileDemo{ public static void main(String [] args){ ArrayList a ...

73. Text file problem    coderanch.com

Hello All. This is my first posting in Javaranch. I was reading alot of posts over here and looks to me this forum is much better than java forums. people are polite and are willing to help a noob or advance person with their java query rather than busting them and giving google searches to do their own work. I have ...

74. Argument, passing a textfile    coderanch.com

Hey everyone! I have to make a postfix calculator, and I think i'm pretty sorted as to the code for it. However, something that confuses me is: /* *============================================================= *PostfixCalc : Postfix Calculators *Evaluate postfix expressions *============================================================== */ public class PostfixCalc { /** constructor * @param infileName: the input filename * Read input from the text file and process each line ...

75. Readin a text file and cuttin the text    coderanch.com

76. CHR(10) value in text file    coderanch.com

Well Brian, I didnt understand it quite that whats ur problem is,if ur problem is only Char 10 which is a Space (i guess) then one simple solution is that u cast the character to int since u r writing the result in a text file so i think that doesnt matter that which type the data is written in file... ...

77. Enter in text file    coderanch.com

78. Newbie validation with textfile    coderanch.com

I am newbie in java ..so I need some help in validation in java... surname = b.readLine(); if (surname != null && surname != surname1) then fileOut.write(surname, 0, surname.length());//write in file else System.out.println(" exisiting users or no users"); for example, I am creating a new customer, so I try to read and write input...when I try to validate for the customer ...

79. Text File Measuring    coderanch.com

Hey Hoping for a little bit of help, i've a gui designed which takes in information from the user and saves it to a .txt file. Is it possible to measure the actual length of that file and return a value to the user in bytes, and if it is how could i get it to work Thanks for any Help ...

81. Creating a new object from a text file - please help!!    coderanch.com

Hi, I'm currently writing a basic video loans application, and need help with my Borrower class. The class defines the membership number and borrowing limit, whilst extending the basic capabilities of the person class. The person class simply defines the data for a person, such as name, telephone number etc. This may be a simple question, but how do I provide ...

82. Need help viewing text file in text area    coderanch.com

File myFile = ; // Set your preferred encoding Charset charset = Charset.forName ("UTF-8"); // Read from File and initialize your JTextArea try { // Construct a Stream BufferedReader in = new BufferedReader ( new InputStreamReader ( new FileInputStream (vorherFile), charset)); // Initialize your TextArea with the data from the stream this.sourceTextArea.read (in, null); } catch (Exception ...

83. Detecting the end of a text file...    coderanch.com

84. How to make sure a file is a valid text file.    coderanch.com

Hi, I have a requirement where I have to read a file and store it in database . Before I read i have to make sure the file is a valid txt file. I tried reading the content type using some thing as below String contentType=new MimetypesFileTypeMap().getContentType(licenseFile); if(contentType.equals("text/plain")){ //do some processing here... } This works if the user is trying to ...

85. Writing/appending to text file    coderanch.com

Hello I/O experts, I've come to you for I/O advice. To preface, I got thrown into an R&D project without knowing Java, javascript, or anything related to the web outside of simple html, so I've come a long way in the past few days, but there are pieces of the puzzle that might seem obvious, that I just don't have. The ...

86. Rules declaration in text file - please help    coderanch.com

i don't think this is a trivial problem. It requires you to define your language of how the user will define the conditions, and how they will define what to do. you have to define WHAT they can do... i mean, if a == b, do they open a web page? do they display a .gif? does it then ask for ...

87. Creating a new object if textfile changes    coderanch.com

Hi there, Can you guys please advise if this is possible or an other way to accompish the following: I have a text file with certain fields for example Student Number Student Name Student Semester Average KCH0001 Emile 66 KCH0002 Roan 70 KCH0003 Zvone 22 I want to create an object in a Class called Student that has 2 variables for ...

88. Aligning columns in a text file with Java Formatter()    coderanch.com

Hi, I have been pulling my hair out trying to find information on how to align the columns in a text file I am writing with Java's Formatter (). I have a simple GUI application that I am writing to manage my personal budget. This is not for a class. Here is the code I have: /code for ( int i ...

89. Saving/Opening a text file, from a text area.    coderanch.com

Hello, I am new to this site. I have posted a few times in devshed, I have also asked a similar question as I am now. Thanks to several over at devshed I have got a calculator program working and added a few things to it. My question is that, I added a textarea, and I want to be able to ...

90. Webstart and language specific text files    coderanch.com

hello, I am starting to understand how webstart works, but I am still having a bij problem... I have several langauage specific files that my customer needs to be able to edit manually in the file explorer. But I can't find them anywhere when webstart downloaded the application. I only see folders with number names... can anyone help? thank you

91. Setting cursor position in a text file Java    coderanch.com

Let me explain in detail. When i call a procedure it returns me a text file.which i give it for download. Example text File: ----------------------- ABCD 5522203000027B1TIRUPATI RC.WADA 232408/02/201001 261107/04/201001 287 0 0^ ABCD 5522203000029B1TIRUPATI RC.WADA 165408/02/201001 165407/04/201002 414 0 0^ * when i open that text file and press 'Control+End' key.Cursor points at the * location. But i want the ...

92. Indexed text files    coderanch.com

I am very new to Java (coming from Delphi). In Delphi I wrote routines to handle an indexed textfile. I am now looking for a roughly similar set of routines in Java or for tips how to implement this. I do not want to use anything outside standard Java, especially not databases. Here a rough outline of how the Delphi routines ...

94. HTTP receiving problems with non text files.    coderanch.com

So I am currently trying to figure out a problem I am having. I have a client that can request and receive text based files from a server. The requests are pipelined so knowing the exact length of a response body is important. If the content type is "text/" I will read the body into a character array and save that ...

95. creating text file    coderanch.com

96. Issue in launching a text file on Desktop.    coderanch.com

Hi I have an issue with following code. This line in the code "try{Runtime.getRuntime().exec(st);}catch(IOException e1){System.out.println("Caught "+e1 );}" does not run Text file stored on Desktop in windows based computer. import java.io.*; import java.awt.*; import java.awt.event.*; import java.util.*; import javax.swing.*; import javax.swing.SwingUtilities; import javax.swing.filechooser.*; public class FileChooserDemo2 extends JPanel implements ActionListener { static private String newline = "\n"; //private JTextArea log; private ...

97. Query in code of displaying a text file    coderanch.com

/* Display a text file. To use this program, specify the name of the file that you want to see. For example, to see a file called TEST.TXT, use the following command line. java ShowFile TEST.TXT */ import java.io.*; class ShowFile { public static void main(String args[]) throws IOException { int i; FileInputStream fin; try { fin = new FileInputStream(args[0]); } ...

98. Text file to Java Objects    coderanch.com

Hi, Is there any kind of framework/tool/solution to convert the text file content into java pojo objects. Example I have a text file containing 100 lines of data, each line is having 5 columns of data, each column I want to assign to my java pojo class attributes. So each line of record is represending a pojo class. At the end ...

99. Selective retrieval of numbers in a text file    coderanch.com

I have a text file as follows total used free shared buffers cached Mem: 7923 7875 47 0 564 3237 -/+ buffers/cache: 4074 3848 Swap: 12287 1067 11220 Total: 20211 8943 11267 I have to retrieve only those values which fall in the mem, swap and total under total, used and free i.e. I have to ignore 0, 564, 3237, 4074, ...

100. How to Auto Export text file?    dbforums.com