1. Confirming from a JUnit test that a FileReader was closed properly stackoverflow.comI'm writing some Java code that uses a FileReader to load data from a few input files. I'm using TDD pretty heavily, and I'd like to add some tests that ensure ... |
2. Do I need to close() both FileReader and BufferedReader? stackoverflow.comI'm reading a local file using a BufferedReader wrapped around a FileReader: close() the FileReader as well, ... |
3. Java: FileRead question stackoverflow.comHow would you write this code? This particular question is about a maze game that has an arraylist of occupants which are Explorers (you), Monsters (touching will kill you), and Treasures. The ... |
4. FileReader not found in Java ME stackoverflow.comThe class |
5. Help with traversing through node/ input file read stackoverflow.comSo I have this assignment where I read in 1 line at a time separated by comma e.g. |
6. FileReader in Java and ready method stackoverflow.comOk, so I am reading a 40 mb file 1000 bytes at a time. Each time I empty my buffer I check to make sure that the FileReader still has data to ... |
7. How do I know where I am in the file if I read it with a FileReader? stackoverflow.comI have a bit of code like this: |
8. Read file from packages stackoverflow.comThis is my current code: |
9. java substring within filreader while stackoverflow.comCan't find any help on how to do this: I can't use .substring in the Filreader's while, it throws an exception after reading the first line. |
10. Check next character for speciality stackoverflow.comI'm writing a bit of code which reads input from a text file and prints out tokens and their label. I've run into a problem, however. If the code reads in ... |
11. Java FileReader, only as read stackoverflow.comDoes using the FileReader method in java, makes the file read only or does it still have to be stated |
12. FileReader? coderanch.comI am using CodeWarrior and JDK1.2.2 to develop my MIDlet but when I try and access certain classes errors come back stating the class was not found? Code example below: import java.io.*; import java.util.*; FileReader fis = new FileReader(filename); When I compile the program it says Class FileReader not found, do I have to specify a path other than the import ... |
13. fileReader method coderanch.comhi all, i've been looking for a way to do this but haven't found what i want online. I want to read a file is all, i know how to use the readLine method but would like to be able get the whole file in one go. thanks for any help. bill aka bob |
14. close a FileReader in the finally clause coderanch.comHi there, I'm writing this simple method wich read the chars from a txt file and add it to a StringBuffer. In anycase i'd like to close the stream putting in.close() in the finally clause, but I can't compile as it tells that the IO exception relative to the in.close() must be caught. But for me it wouldn't make any sense ... |
15. FileReader problem coderanch.comI am new to junit, and am trying a program from Martin Fowler's book Refactoring, pp. 92-94. I have added the BufferedReader following the example on p.454 of HeadFirstJava. I have reached the point where I have only three compile errors. They are: cannot find symbol variable reader (lines 29, 39) inconvertible types line 39 (these lines are identified with comments ... |
16. FileReader issues coderanch.comI'm having some problems compiling a program. I'm using a FileReader to read in a .txt file and then do some fun extraction on the strings before spitting it out to the screen at the moment. I keep getting: Error : Exception java.io.FileNotFoundException must be caught, or it must be declared in the throws clause of this method. FindCosts.java line 21 ... |
17. about read() method in filereader class coderanch.com |
18. fileReader coderanch.comi want to make a program that can count the : [YEAR] and the [Celsius Degree] of that year. it will have to find those information on a .txt file which look something like : 1871 3.1 1872 4.8 1873 4.7 1874 4.3 it will also have to find the MAX, Avarage and the MIN temp. and also have to count ... |
19. FileReader progress coderanch.com |
20. Filereader - Reading >1 char at a time coderanch.comHi all, - This question relates to using a text file to create a game map. - My current code reads 1 character at a time. private TileMap loadMap(String filename) throws IOException { ArrayList lines = new ArrayList(); int width = 0; int height = 0; // read every line in the text file into the list BufferedReader reader = new ... |
21. LZ78 and FileReader coderanch.comhi all, i am making a compression program based on the original LZ78 and am having a problem getting my String variable that holds a line of a file to read in another line after the 1st one. It processes the first line fine but it simply wont continue reading in new lines after exiting the inner loop. i get a ... |
22. Sorting out Strings from a filereader coderanch.comI have to make an application that can read positions from a Draughts game and update it in a diagram (10x10 board). Im running into a lot of problems and I would appreciate any help a lot. the positions are stored in this format. W7,13,50:B25,30,45 C. Blankenaar (1898) everything after W goes in the white pieces textual display (jTextframe) everything after ... |
23. Problem while using FileReader to read a file coderanch.comWell, Sam, I don't know what to tell you. That's definitely not true; your program will print the Unicode character value for each character as a decimal integer on a separate line -- i.e., for my system, it'll print '48' for the character '0'. Are you sure the code you're running is the code you're looking at? Maybe you got different ... |
24. Error in FileReader coderanch.comHi, Here I am trying to read a text file using java. But when I try to compile that, I am getting the error "Exception in thread "AWT-EventQueue-0" java.lang.RuntimeException: Uncompilable source code - cannot find symbol". This error is coming from line number 173, from "FileReader". Here is my code import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.util.*; import java.text.*; import ... |
25. FileReader issue coderanch.comHi I use the below code to read the contents of a file FileReader reader = new FileReader(new File(inputDocsForClassificationFile)); try { char[] buffer = new char[1024]; String document = ""; while(reader.read(buffer) != -1){ document += new String(buffer); } The issue is that i get lot of white space at the end in the String. I used trim() function to delete the ... |
26. FileReader help java-forums.orgI'm trying the following without a lot of luck. Its being called as a ECMAScript function from an application and I keep getting an error that readFile isnt known. I'm not sure how to actually call the FileReader to read the file in, does anyone have any tidbits based on the code below? importPackage(Packages.java.io); function userLookup(strFileName,username){ var nNumLines = 0; //number ... |
27. FileReader problems java-forums.orgHere's the deal. I have a program that creates a file. I don't want to go in detail about what the file actually contains (but I will have to do if you can't solve my problem). The problem is, I want to be able to read the file many times because I have to do the average of some values contained ... |
28. problem regarding FileReader java-forums.orgmy program is compiled and executed but output is getting different. instead of reading file it is reading file infinetly.plz help me.not understanding hw to solve dis problem . i m submmiting my program here. import java.io.*; class filedemos { public static void main(String args[]) { try { FileReader fr=new FileReader(args[0]); try { FileWriter fw=new FileWriter(args[1]); try { char b[]=new char[128]; ... |
29. Using UNBUFFERED FileReader. java-forums.orgI have created my filereader, and am ready to accept input from my external text file. This file has several lines, each of which has 4 distinct sets of 4-6 digit integers separated by spaces. I need to take the first on each line and store it in Array1[], the second number on each line into Array2[], etc. Please post a ... |
30. Cannot find file for FileReader java-forums.orgEntering a file name listings.txt to be used in this program. I am consistently getting a "file not found" error no matter where I put the file. //This was to determine where the program is looking for files File appBase = new File("FindMe.txt"); //current directory String path = appBase.getAbsolutePath(); System.out.println(path); //This is to get the file name and put it into ... |
31. about FileReader and BufferedReader - to read multiple files java-forums.orghello all experts, i'm just new to java and have an assignment. can somebody tell me what method to use to read multiple files. let's say i have 4 files ; 'file_01.dat', 'file_02.dat', 'file_03' and 'file_04.dat'. For each file, they have their unique data..let's say for 'file_01.dat' contains data '0.1234', file_02.dat' contains data value '0.5455' and so on. (Every data is ... |
32. Filereader finding specific characters java-forums.orgI need to use a filereader to read from a text file that has a format like: .I 1 .T text .W text text .I 2 etc. I need the filereader to recognize when it sees a ".I" and then save the number immediately following it on the same line onto a variable, then after that recognize a ".T" and save ... |
33. Filereader error (cannot resolve sym) forums.oracle.comWell, Im not all that good at explaining how the theory works.. but Its like an local variable when its defined inside the try catch. And as its local, it cant be reached outside the try catch. And therefor giving the error when trying to reach that var. Its like if it wouldnt exsist outside the try catch. |
34. Filereader error !! forums.oracle.com |
35. Filereader error !! forums.oracle.comC:\j2sdk1.4.2_08\bin>javac test.java test.java:10: cannot resolve symbol symbol : class FileReader location: class test FileReader reader = new FileReader("intelhexfile.txt"); ^ test.java:10: cannot resolve symbol symbol : class FileReader location: class test FileReader reader = new FileReader("intelhexfile.txt"); ^ test.java:11: cannot resolve symbol symbol : class BufferedReader location: class test BufferedReader f = new BufferedReader(reader); ^ test.java:11: cannot resolve symbol symbol : class BufferedReader ... |
36. FileReader forums.oracle.com |
37. FileReader problem. forums.oracle.com |
38. FileReader help forums.oracle.comWhen you carefully read FileReader's docs, after having gone through a [tutorial on Java I/O|http://java.sun.com/docs/books/tutorial/essential/io/index.html|Where do people get this krap from?], of course, what part led you to believe that ("" + in) would cause that reader to read the file's contents and spit them out as the argument to that method call? |
39. Completely new to this. Concerning BufferedReader, FileReader, and ArrayLis forums.oracle.comWe have a new teacher, and this is our first assignment. We didn't learn much at all from our previous teacher, especially nothing about these subjects. Basically, what we have to do is import a text file and place the words and definitions (in the text file we made) in a matrix by reading in from the file. The only help ... |
40. Please help me ---FileReader Exception encountered forums.oracle.com |
41. help with filereader forums.oracle.comi am looking for some filereader code and have not been located it by searching google if someone could give me an example code or point to a good tutorial besides the one on Sun's webpage that would be great i have important the correct class and have the reader and the buffer line i just need the part of the ... |
42. FileReader - unreported exception must be caught or declared to be thrown forums.oracle.comJoachim: This is me enumerating: 5 dfferent tutorials. Sometimes you just want to get a human being's opinion. That's what I thought forums were for. Here's a thought, if you don't feel like helping maybe you could just ignore the post? Alexzzius and Almightywiz: thank you very much. It's clearer to me now how exceptions work. And yes, I found that ... |
43. Filereader only reads when launched from terminal forums.oracle.com |
44. FileReader help (student) forums.oracle.comThe thing that's probably tripping you up is that the directory that java is using as your home directory probably isn't the one with your files in it. You can check this using System.getProperty("user.dir"); Also, you really should put a BufferedReader on top of your FileReader. BufferedReader bufReader = new BufferedReader(myFileReader) What this does internally is read a lot of the ... |
45. FileReader error forums.oracle.com |
46. The read() method from FileReader class not working as expected. forums.oracle.comHello everyone, I'm currently working on a program that reads all the characters one by one and writes each one in an output file. The file is meant to identify and compress multiple spaces into just one space. My code currently achieves this functionality but it ends up concatenating all lines into the first line without outputting in the line order ... |
47. help with filereader forums.oracle.comHere is the basic problem. I have two classes, a GUI, and a Tokenizer. My GUI has a fileChooser that gets the path to a file. My Tokenizer needs a fileReader to get the file path, and then read whats inside that text file. I have looked at so many tutorials but they always assign the filereader as a main, how ... |
48. Timer and FileReader problem. forums.oracle.comI'm an advocate of reading files into memory first (when possible), so I'd recommend reading them then closing those streams. If you don't want to do it that way, try reseting the mark in your fileReader's. I'm not sure of the intricacies of JTextArea.read() function, but usually once files are read their marker may be set to the end of the ... |
49. i need help in the filereader part 2 forums.oracle.commy loop doesn't stop...i cant fix it..please help me public static void main(String[] args) throws FileNotFoundException{ int howMany=0; int[] numbers; Scanner inFile = new Scanner(new FileReader("sum.txt"))/*.useDelimiter("\\s*, s*")*/; while(inFile.hasNextInt()){ howMany++; } System.out.println(""+howMany); inFile.close(); } the textfile is 7 3 8 8 1 0 2 7 4 4 4 5 2 6 5 i need help badly |
50. I need help in the filereader forums.oracle.compublic static void fileRead() throws FileNotFoundException{ Scanner inFile = new Scanner(new FileReader("inventory.txt")); String x = inFile.next(); int y = inFile.nextInt(); double z = inFile.nextDouble(); PrintWriter outFile = new PrintWriter("prog.txt"); outFile.print(x+" "); outFile.print(y+" "); outFile.print(z+" "); inFile.close(); outFile.close(); } public static void main(String[] args) throws FileNotFoundException{ Product haha = new Product(); fileRead(); } } when my text file doesn't have a the ... |
51. Relative filenames for FileReader? forums.oracle.comHi everybody, This is another concept question from me... I have an application I'd like to be able to port to any system as a JAR, and when I click on a certain button, I'd like it to read a certain file that has a certain name, say "myFile.txt" for this example. I know that Windows, Mac, and Linux all use ... |
52. fileReader help forums.oracle.comI am working on a program that translates words. I'm using file reader to compare record strings in a file to an string input by the user. The first line in the file is the English word and the next line (record) is the Spanish translation of the previous word. I've gotten it to compare the strings and output the record ... |
53. FileReader forums.oracle.comHi all, I have writted a program which runs a batch file and redirects output to a text file. This process is done several times in the code. Each time the batch file is executed, I am reading the output file and printing the contents of the output file. But the problem is that at each execution of the batch file.. ... |
54. Please help me ---FileReader Exception encountered forums.oracle.com |
55. fileReader accumulates stats forums.oracle.com |
56. probem with using FileReader class forums.oracle.com |
57. Filereader prob, help most definatly needed! forums.oracle.comUse code tags when you post code. Algorithm for processing. 1. Set var IsFound to false 2. Read line (only line) of file, if end of file then exit. 3. Is line 'start of html' then set IsFound to true 4. Test IsFound, if true write line to new file 5. Is line 'end of html' then set IsFound to false ... |
58. I'm having some problems understanding FileReader class forums.oracle.comFileReader IN=new FileReader("G:/kaja160.txt"); int c=0; c=IN.read(); // reads FF c=IN.read(); // reads FE c=IN.read(); // reads 41 instead of 41 00 c=IN.read(); // reads 00 instead of 42 00 hird time we call IN.read(), the IN.read() method reads code 41( hex ) and returns the correct character ( letter A ), but the next 8 bites ( 00 in hex ) ... |
59. more fun questions about FileReader forums.oracle.comWhat happened to using Scanner? Also, let me see if I understand your requirement. Say you have a file with the word sequence: Alpha Bravo Charlie Delta Echo Foxtrot Golf Hotel India You want to generate the triplets: Alpha Bravo Charlie Bravo Charlie Delta Charlie Delta Echo Delta Echo Foxtrot Echo Foxtrot Golf Foxtrot Golf Hotel Golf Hotel India If so, ... |
60. using FileReader instead of BufferedReader forums.oracle.com |
61. Simple FileReader and Exception questions forums.oracle.com |
62. FileReader forums.oracle.comhi all.. I need a help.. this is my code { FileReader file=new FileReader("data.txt"); BufferedReader reader=new BufferedReader(file); } it's okay if I want to read from the first data of the file.. but my case now is I need to read from the line 1500th or just say I need only the last line of the file.. what should I do? ... |
63. FileReader Issues forums.oracle.comWell, you're trying to call toUpperCase() on inputstream, which doesn't have that method and then you're using a String instead of a char for letterindex (why is it named letterindex anyway, it should be more like 'letter'). You need to read the text file into a String completely if you want to use toUpperCase and replaceAll. Also note that to use ... |