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1. ECG plot in a textfile    java-forums.org

2. [SOLVED] Java not fill in all info for text file    java-forums.org

I am making a program that creates an OPML file based on user input, but I am running into troubles and I cannot figure out what is wrong. The program compiles fine, but the error occurs at runtime. Yes, I know that runtime errors are different from syntax errors. The problem is that I have a "for" loop that enters in ...

3. Edit/Save Text File - Problems    java-forums.org

Hello all, I am writing a little program that should simply add a title and description to an existing text file. However, my problem is that every time I enter a title and description, it overwrites everything in the program. Here is my code -any clues as to what's wrong? Java Code: public class reference { /** * @param args */ ...

4. creating a graph from a text file    java-forums.org

Hi everyone. im somewhat new to java programming. i want to know how to make a graph from a text file. i know how to scan in the words. i cannot figure out how to make each word a node, create edges, and find the weight between each edge. thank you for any help!!

5. How to break a text file into block.    java-forums.org

I'm currently working on a lab assignment for school, it involves with encrypting a text file with RSA encryption/decryption. Now the problem is I need to break the text file into block before encrypting it, so that the block size is not bigger than the size of the modulus value. My question is how would you break the file into several ...

6. Reordering within a text file    java-forums.org

import java.io.*; import java.util.ArrayList; import java.util.Collections; import java.util.StringTokenizer; import java.util.logging.Level; import java.util.logging.Logger; public class Reorder { public static void main(String args[]) throws IOException { FileInputStream fstream = null; try { fstream = new FileInputStream("E:\\Documents\\reorder.txt"); // Get the object of DataInputStream DataInputStream in = new DataInputStream(fstream); BufferedReader br = new BufferedReader(new InputStreamReader(in)); String strLine; while ((strLine = br.readLine()) != null) { ArrayList ...

7. Creating Ouput Text File    java-forums.org

import java.io.*; import java.util.Random; import java.io.FileNotFoundException; import java.io.FileOutputStream; public class Project7PartB { public static void main(String args[]) { FileOutputStream out; // declare a file output object try { // Create a new file output stream // connected to "myfile.txt" out = new FileOutputStream("myfile.txt"); // Connect print stream to the output stream Rand = new PrintStream( out ); Random randomnumber = new ...

8. Giving a text file containing GLSL to client    java-forums.org

I'm working with an Applet which is in the making of becoming a 3D game. Basically what I'm doing is writing in OpenGL SL (Open Graphics Library Shader Language) which is contained in a text file then read by Java as a ByteBuffer. Basically here's my questions: How can I download the text file to the client? What path would the ...

9. autocomplete in text file    java-forums.org

i am not so good in java. I have a running code for search in text with a txt. file (from user bluefox815). But I need a solution with autocomplete for for search in text with a txt. file. Can you help me please. Here is the code: ---------------------------------------------- Java Code: import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.io.*; /* * ...





10. Read/edit/Write text file    java-forums.org

Hi all, I have relatively little experience in Java. So to get straight to the point, I have a data set that looks as follows: Java Code: KKM model E zones bottom Number of histories used for normalizing tallies = 13591000.00 Mesh Tally Number 44 COBALT Mesh tally for zones E28 to E17 This is a neutron mesh tally. Tally bin ...

11. text file    java-forums.org

package fileinput; import java.io.*; /** * * @autho */ public class Main { public Main () { } /** * @param args the command line arguments */ public static void main(String[] args) { try { FileInputStream fstream = new FileInputStream("data.txt"); DataInputStream in = new DataInputStream(fstream); BufferedReader br = new BufferedReader(new InputStreamReader(in)); String strLine; while((strLine = br.readline()) != null) { System.out.println(strLine); } ...

12. Program compiles but wont run to text file...    java-forums.org

import java.util.*; import java.util.Random; import java.io.*; import java.io.BufferedWriter; import java.io.File; import java.io.FileWriter; import java.io.IOException; public class sort5 { public static void main(String[] args) throws java.io.IOException { Random generator = new Random(); Random generator1 = new Random(); int[] intarr = new int[10]; int toggle; File outFile; PrintWriter pw; String filename = "numbers.txt"; for (int i=0; i < intarr.length; i++) { toggle = ...

13. problem of linking text file and java program    java-forums.org

1. i have one text list of students with their address, country and contact number (stored in notepad.txt) 2. ive convert every and each of those records in arraylist by passing method 3. User have their choice to ammend any of these records 4. the PROBLEM is after they have ammend this record, i sucessfully update the array list, BUT WHAT ...

14. Java encyption for text files    java-forums.org

Hi all, for my project I've created a simple java game which has save/load functions. I plan for my save to pretty much just copy loads of variables from the game into a text file which can be read from the load. However if someone accesses the text file then they can easily change the values which isn't really the point ...

15. Using text files to get values    java-forums.org

Hi, I cant remember how to get specific values from an existing text file. I think I need to use an array but am unsure how to populate it and retrieve the correct positions. I want to use the values to update variables for use in algorithms. I am trying to manipulate some existing code from a previous project but this ...

16. Copy Text File to Another File    java-forums.org

public class CopyLog { File f1 = new File("C:\\Temp\\original_file.txt"); File f2 = new File("C:\\Temp\\copied_file.txt"); void copy(File f1, File f2) throws IOException { InputStream in = new FileInputStream(f1); OutputStream out = new FileOutputStream(f2); // Transfer bytes from in to out byte[] buf = new byte[1024]; int len; while ((len = in.read(buf)) > 0) { out.write(buf, 0, len); } in.close(); out.close(); } } ...





17. Help moving person round a textfile maze    java-forums.org

Help moving person round a textfile maze Hi all This is my first time of posting here. I'm a mature student and new to Java too. We have an assignment which requires us to load a text file into an array then move a 'Person' through the maze. I've looked in the forum here but haven't found what I ...

18. Can't determine whether a text file ends with carriage return    java-forums.org

I am making a program that must determine whether a text file ends with a newline or not, or a carriage return. For example, suppose I create a file called text.txt and add some text, but I add a carriage return at the end. I want my program to return true if the file ends in a new line character or ...

19. MySQLDump to comma dilim text file    java-forums.org

20. Text File to Clipboard    java-forums.org

I am trying to copy a text file using scanner to the clipboard. Can someone tell me what my clipboard.setContents method should look like? This is what I have now: import java.awt.Toolkit; import java.awt.datatransfer.Clipboard; import java.awt.datatransfer.StringSelection; import java.io.File; import java.util.Scanner; public class Main { public static void main(String[] args) { Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard(); File file = new File ("c:\\Temp\\testdata.txt"); try{ ...

21. Text file extension?    java-forums.org

No the program works fine with the first code i have shown, i just wanted to know if theres anyway to shorten the file extension to just "Question.txt" instead of the longer version, its just if i was to move the program to say another hard drive i would have to go back and change the file extension in the program, ...

22. show text file to textArea    java-forums.org

Here is the Code by the way: Java Code: import java.awt.Dimension; import java.awt.Font; import java.awt.Rectangle; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.FileNotFoundException; import java.util.Scanner; import javax.swing.JButton; import javax.swing.JEditorPane; import javax.swing.JFileChooser; import javax.swing.JFormattedTextField; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JList; import javax.swing.JScrollBar; import javax.swing.JScrollPane; import javax.swing.JTextArea; import javax.swing.JTextField; import javax.swing.JTextPane; public class SearchEng extends JFrame { private JLabel searchJL = new JLabel(); private JTextField ...

23. way to catch if file is simple text based    java-forums.org

Any programming language that can read the bytes of a file can check them using an algorithm to determine if the whole file is made of text. Define what "text" is and I can write a program to test for it. The problem as JosAH pointed out is there are lots of different "text" character sets.

24. java3D and external text file    java-forums.org

Hi, I am new to java3D. I have to design 3D space which contains multiple triangles. I have a text file with coordinates of triangle vertices and one additional parameter which will contain information about temp. First thing I have to do is to design 3D space reading from external text file and then after evaluating the temp parameter I have ...

26. Friends List (from text file)    java-forums.org

I am getting the following error when running the file (it works fine if I implement each class separately): Exception in thread "main" java.lang.Error: Unresolved compilation problem: No enclosing instance of type SocialNetwork is accessible. Must qualify the allocation with an enclosing instance of type SocialNetwork (e.g. x.new A() where x is an instance of SocialNetwork). at SocialNetwork.main(SocialNetwork.java:20) My code is ...

27. Seaching a text file for credit card numbers    java-forums.org

Hi All I am trying to create a basic java program that will check for credit card numbers within a text file. I have this code to read the file: ======================== import java.io.*; class ReadingFile { public static void main(String[] args){ try{ FileInputStream filestream = new FileInputStream("textfile.txt"); // Get the object of DataInputStream DataInputStream xx = new DataInputStream(filestream); BufferedReader yy = ...

28. Read/scan textfile in java. But there's more to it! Help    java-forums.org

Hey all. So I got a schoolproject in java, and I'm going to read/scan a text file. But the tricky part is: My javaprogram contains a question of how many lines of the text file I want to show. And also, display them in my output. Theres more to the this program that I've listed here. But I want to try ...

29. Preferred method for saving/accessing text files    java-forums.org

Hello, I have a question regarding the most correct way to access text files for editing/saving. My application currently just uses a local directory on my machine, but I need it to work on any machine once deployed. Is there a way to save a text file in my package and edit/save it later? I have looked at the getClass().getResource("fileName.ext") method, ...

30. Partial Overwrite for text file    forums.oracle.com

I am trying to figure out how to overwrite a single line in a text file for an appointment program I am making. I am having a difficult time with this because I can't figure out how to overwrite a single line. If I could solve this, I could get my delete button (it's GUI) working and my edit button working. ...

32. Attaching a text file    forums.oracle.com

33. Import text files    forums.oracle.com

Im working on a program that requires a TextField to change its text when different buttons are pushed.Im using Netbeans and would love to find a way to import text files and set action commands in that environment. I realize that I will probably have to insert code. Im new to netbeans and would appreciate any help. I have read on ...

34. Initialising Objects from text File    forums.oracle.com

36. Text File Manipulation    forums.oracle.com

37. fetch unique column value from text file    forums.oracle.com

Hi, Is there any method in java that picks up only the unique id from an array? I'm reading a text file and it has lots of identical "ID" in every line. Can someone suggest me how to take only the unique column value? Edited by: madhukar_has_a_doubt on Oct 26, 2007 6:36 PM

38. how can i refer to spicific location in text file ?    forums.oracle.com

how can i refer to a specific location in a text file .. i have been using vb.net and i use arrays to locate positions in text file .. but i'm a bit weak at java so please can you just give me an idea or some code i want to search for a specific word in a text file and ...

40. text files    forums.oracle.com

who can I fix that. I want to compare a strings. i want to check on a array and if the ssn is the same i wnt do addhours.but I am geting that error public void updateHours(String ssn, int hours) { Hourly a = null; if(a.socialSecurityNumber.equals(ssn)){ a.addHours(hours); } } Error //////////Exception in thread "main" java.lang.NullPointerException at departmentstore.DepatmentStore.updateHours(DepatmentStore.java:29) at departmentstore.DepartmentStoreTester.main(DepartmentStoreTester.java:31)

41. text files    forums.oracle.com

who can I fix that. I want to compare a strings. i want to check on a array and if the ssn is the same i wnt do addhours.but I am geting that error public void updateHours(String ssn, int hours) { Hourly a = null; if(a.socialSecurityNumber.equals(ssn)){ a.addHours(hours); } } Error //////////Exception in thread "main" java.lang.NullPointerException at departmentstore.DepatmentStore.updateHours(DepatmentStore.java:29) at departmentstore.DepartmentStoreTester.main(DepartmentStoreTester.java:31)

42. how can I modified a text file    forums.oracle.com

43. Select Correct Text File - Names Changing    forums.oracle.com

Eevery few hours my AS400 generates a text file. I am writing a program that will automatically take this file and convert it to an XML. The problem I am having is with the naming convention of the text file: "IR + 6 digit number which increments by one each time a file is generated + _ + The start date ...

45. Import text file    forums.oracle.com

How is the text file formatted? Is each city/state pair on a separate line? If so, you simply use Scanner to read each line and then manipulate the data read. I'd suggest creating a new class that can hold the city and state names. Then for each lin create a new object and place this into an array or ArrayList.

46. Identifying non integer elements in text file!    forums.oracle.com

Hello Java community I have to do this program that reads in elements from a text file and determines which is even, odd, or neither. So far i've got right the odd and even part. Now, I'm don't seem to understand how to identify the "extra" elements in this file. Here is my code: import java.io.*; import java.util.*; public class TakeHome ...

47. How to execute code from a text file?    forums.oracle.com

48. Readinga text file    forums.oracle.com

Are you basically asking how to parse a data file like that? It follows a vaguely XML-like format, but it's not proper XML. You could write your own parser using regular expressions or plain old-fashioned pre-JDK-1.4 string manipulations (this may be easy or hard depending on how complicated the file format it), but you might be able to compromise using SAX. ...

49. Pipe netstat to text file    forums.oracle.com

50. text file creation using java    forums.oracle.com

51. working with forms, buttons and text files    forums.oracle.com

52. how to creat a text file    forums.oracle.com

53. Recording paragraph to a text file    forums.oracle.com

mmm hello everyone, this is HRaito, just started learning java and quite confused at the same time. With java i understand how to write a line or a text to a textfile, but how do i write several lines of text(or a paragraph) to the textfile? Do i have to create an array so that after time the user presses enter, ...

54. How to iterate through a textfile?    forums.oracle.com

I have a text file with this information: 2 Orc name = Gnorck experience = 20 maxHealthPoints = 50 healthPoints = 30 maxBerserk = 9 berserk = 7 Human name = Aragorn experience = 45 maxHealthPoints = 40 healthPoints = 30 maxGreed = 20 greed = 10 Now I need a method that finds the strings Human and Orc every 7 ...

55. Take numbers out of a Text File    forums.oracle.com

Hi TBM, Once again you have solved my problem in just 1 minute. Your code perfectly does the job. You are great! I have marked your answer as correct. Thanks to others also for their help. Also, I have just one more problem: I have some special characters also in my file which I just saw. They are like this: communities ...

56. Reordering within a text file    forums.oracle.com

Hello Spry.chipper, I would read in the whole file, reorder it in memory and write it back completely. For parsing the first line, have a look at the split-method of the String class. The other lines could be stored in an ArrayList with index equal to part number or you could store them in a HashMap with key equal to "Part ...

57. importing a text file    forums.oracle.com

valeri87 wrote: I am new in programming and trying to complete a task given to me. And i might be stupid but i need help with this one... i think it is a simple task to do for a experienced developer. I am short on time to submit it so i would appreciate any help is possible ASAP. Simply dumping the ...

59. display text file in java    forums.oracle.com

Dear All, Im very new on Java programming and I need to write a code that display a text file content in pop up window. I tried to make some changes on some examples that I found on the net but with no use. Please your help This is a code that I found on net... how can I modify it ...

60. Problem displaying CLOB in text file    forums.oracle.com

The firm, known for its keen oversight of products, has been the subject of complaints from firms who have had apps blocked from the store. Some developers have complained that the company's rules seem inconsistent.[]Some have found apps blocked after seemingly minor updates, or for having content deemed inappropriate by them. In light of this, and after careful consideration, I believe ...

61. Best way for text file IO    forums.oracle.com

I have done a quick google on text file IO, there seems to be several methods to achieve this, and im not sure which is best. Many of the articles are several years old, so im not sure if they are still the "standard". What do you think the best method for reading and writing to a text file is? I ...

62. Dividing a Text File into Sub Files    forums.oracle.com

You're doing this the wrong way. Instead of the StringBuilder, which will load whole Acts into memory, just have a current output file. If it is null do nothing; if it isn't null, write each line to the current output file as you read it, after deciding whether or not to switch current output files based on the line, e.g. at ...

63. Looking for critique on code I wrote to merge 3 datasets (text files)    forums.oracle.com

I wrote these 3 programs for a code exercise for a possible new position for myself. It ended up that the company developers said I took an unclear approach. Just wondering if anyone has a chance you can look at my 3 programs and tell me where I went wrong. I honestly thought I did a good job, apparently I did ...

64. getting details of a .java file by text processing    forums.oracle.com

That's what I thought when I read the first post in this thread. But I was thinking that the purpose was to make obvious that the result of a parse is a tree structure, that a program can be expressed as a tree, to make it clearer that parsing and code generation are two separate steps, etc.

65. Problem with text files bigger than 4GB    forums.oracle.com

I originally posted this on the NetBeans forum and was asked to move it here as it is probably a general Java question. Below are some questions and my answers to that original topic. Thanks for your input folks - here are some answers to your points: Q: A 32-bit position index into a file can only handle up to 4GB. ...

66. Urgent! How to stop duplicate entry in a text file    forums.oracle.com

Hi Friends, I have made a application which is having a swing based user interface.....When user gives inputs in various fields and click on submit all the records gets saved in a .txt file.....Each field's value is comma separated from other value. Now there is another button in my user interface....which gives user a way to view all the records in ...

67. multiple text files    forums.oracle.com

Hey I have an issue and I'm hoping Java can help me. Currently at work we have a list of text files in a directory, I want java to be able to: open every file in the directory (file names can change daily) append every line beginning with a number to one file in this file I want the sum of ...

68. Importing text file    forums.oracle.com

69. Selecting specific text from a text file    forums.oracle.com

72. Accessing text file resources bundled with a project    forums.oracle.com

I have a simple project that needs to access files from a directory. I am using Eclipse as my IDE and would ultimately like to deploy the project as a standalone executable. I have a directory structure that is typical of Eclipse projects with the addition of a top-level directory called "data". In "data", I have the auxiliary files for the ...

73. processing a text file    forums.oracle.com

Hello all, I am processing a text file for my project. The text file has a characteristic. It has a header about 8 to 12 rows. I am sending header lines to a function processLine(). And after header there is a blank line, and than the message(many rows). I have to stop when i hit the blankline, and get the rest ...

74. Questions about text files    forums.oracle.com

I need to read a text file and parse each line into its components. I plan on using the split( " " ) method to do the parsing based on white space. Here are my questions: 1) How will multiple blanks (several blanks in a row) be handled? Will the line "Three Blanks" be parsed as "Three", "Blanks" or "Three", " ...

75. Copying textFile    forums.oracle.com

I wrote this code because I wanna copy a small portion of text files from specific place to specific place, Anyway I tried to write a code so it will sop copying when it reaches the second title "what other pages have we ..etc" The problem here that it just doesn't copy this line ,,, and it copies the rest o ...

76. Copy a textFile    forums.oracle.com

77. .JAVA File accessing from a text file.    forums.oracle.com

I have a .java source file for Eg:Add.java and when i compiled that file i got Add.class.Its fine till there.Next step is i opened a notepad and wrote text as Add.class and saved it with some name. Now my question how to call the txt file so that it should compare the name in the txt file and the name of ...

78. select order from text file    forums.oracle.com

79. Accessing of .java file from a text file.    forums.oracle.com

I have a quick question to be posted.I have a .txt file which is having .class file eg(Sample.class).So my question is how to run .txt file so that it should accept .class file inside it and accroding to the class file it should run the related .java file and produce the result on the command prompt.

80. I/O Text File    forums.oracle.com

1. How can i read every line in a text file and only remove the first word of each line and put it in a new text file. 2. How to read a text file that has numbers and ask it to display the largest, smallest and the average of all the numbers. I'm looking for example of each so i ...

81. Text files    forums.oracle.com

82. How Can I know if a text file is empty?    forums.oracle.com

Hello, I got a little question. I got a txt file , I want to check if this file is empty(when I say emtpy , I mean that there is no text that is written in the file) Anyone know how do I check if the file is empty? Thanks in advance.

85. Regading Invoice No in .text file    forums.oracle.com

86. urgent!!! checking a text file!    forums.oracle.com

87. ListArray into Text file    forums.oracle.com

ok this stores the information entered into a listarray and then into the text file like this for example... jupiter 343.0 3333.0 876.0 45435.67 this is done perfectly as this is how i want it stored in the text file! Now when i add another one i want it to store on the next lines not overwrite it.. how can i ...

88. System.out.println to a text file    forums.oracle.com

Entered If String length = 1 Hibernate: select dbuserdata0_.UCL_USER_ID as UCL1_9_0_, dbuserdata0_.COMPANY_ID as COMPANY2_9_0_, dbuserdata0_.USER_NAME as USER3_9_0_, dbuserdata0_.USER_PASSWORD as USER4_9_0_, dbuserdata0_.IS_ACTIVE as IS5_9_0_, dbuserdata0_.CREATED_SOURCE_TYPE_ID as CREATED6_9_0_, dbuserdata0_.CREATED_SOURCE as CREATED7_9_0_, dbuserdata0_.CREATED_DTTM as CREATED8_9_0_, dbuserdata0_.LAST_UPDATED_DTTM as LAST11_9_0_, dbuserdata0_.LAST_UPDATED_SOURCE_TYPE_ID as LAST9_9_0_, dbuserdata0_.LAST_UPDATED_SOURCE as LAST10_9_0_, dbuserdata0_.USER_TYPE_ID as USER12_9_0_, dbuserdata0_.LOCALE_ID as LOCALE13_9_0_, dbuserdata0_.LOCATION_ID as LOCATION14_9_0_, dbuserdata0_.COMMON_NAME as COMMON35_9_0_, dbuserdata0_.USER_FIRST_NAME as USER15_9_0_, dbuserdata0_.USER_MIDDLE_NAME as USER16_9_0_, dbuserdata0_.USER_LAST_NAME as ...

89. How can I handle \n or \t in a text file?    forums.oracle.com

It's a bit complicated, but... Suppose we have a very short document in a file. The document has 4 characters in it. A, backslash, N, and B. ........ . . . A\nB . <-- the document . . . . . . ........ When we write Java code if we say \n inside a string literal it will be interpreted as ...

90. Detect codepage in text files - Help!    forums.oracle.com

Hi, I'm a newbie about this kind of problem. I wrote a class that reads an input .txt, manages the content to another format and then writes another .txt file. Since in the input file there are some characters with accents, they cause problems during the corversion, and the output file contains some "strange" chars. I expected that I was reading ...

91. Import text files    forums.oracle.com

92. Jump within a BIG text file    forums.oracle.com

Hi, I have a text file with more than 3 million lines. How can I easily jump to a specific line without reading line by line. e.g. using the class RandomAccessFile to jump you need the number of bytes. But each line has diffrent numbers of characters, thats why I can't jump directly via "seek" method. thanks Aykut

93. java to text file and it should get popup    forums.oracle.com

94. creating a text file    forums.oracle.com

hi can anyone tell me how to create a number of text file using a different variable in java.the exact definition is like this "different variables are stored in a text file and each time it has to open this file, take these as their file name and create a text file"

95. text file problem    forums.oracle.com

96. Text File Problems    forums.oracle.com

97. java to text file    forums.oracle.com

98. Text file I/O    forums.oracle.com

99. Complicated issue with two text files    forums.oracle.com

They're fairly simple - if you have some faith in my code (i tested it in Eclipse and it does work), I'll try to give you a crash course. I do believe that this is by far the easiest way to do things. A hash map is like a set of buckets. For instance, when you have a Hashtable for Strings, ...

100. Manipulating text file    forums.oracle.com

Hello all =) I had a text file which looks like the followings: Cluster 1: GN-1174464001000-20070221160001-myspace*1 GN-1174474801000-20070221190001-myspace*0.875351 Cluster 2: Cluster 3: Cluster 4: Cluster 5: Cluster 6: GN-1174474801000-20070221190001-studivz*1 GN-1174485601000-20070221220001-studivz*1 GN-1174496401000-20070222010001-studivz*0.936119 Cluster 7: Cluster 8: GN-1174431601000-20070221070001-secondlife*1 Cluster 9: GN-1174431601000-20070221070001-jetblue*1 GN-1174453201000-20070221130001-jetblue*0.979874 GN-1174464001000-20070221160001-jetblue*0.971083 GN-1174442401000-20070221100001-jetblue*0.94002 Cluster 10: Cluster 11: Cluster 12: GN-1174420801000-20070221040001-youtube*1 GN-1174431601000-20070221070001-youtube*0.889167 I am intending to manipulate the above text file to look like ...