1. Write Java objects to file stackoverflow.comIs it possible to write objects in Java to a binary file? The objects I want to write would be 2 arrays of |
2. Writing a method to read a binary file stackoverflow.comI want to write a method that reads an object from a binary file but I want to generalize it using generics. I have this code: |
3. Writing an object to a file stackoverflow.comI need to write an entire object to a file and retrieve whenever I want. Suppose I want to write a object of a class "Student" which has attributes such as ... |
4. Writing a file in binary or bytecode stackoverflow.comI am storing large amounts of information inside of text files that are written via java. I have two questions relating to this:
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5. Writing Hexadecimal and Binary Values to File stackoverflow.comHow can I write hexadecimal and binary values (not their string representation) to a file? For example, how can I write the hexadecimal value 1A (26 in decimal) to a file? ... |
6. Reading and writing Binary files coderanch.comHi, folks please help me by answering this question. I have 19 gb binary file. I am reading this binary file and write to the output(system.out in binary format). There are some validations performing on the binary file. Would anyone have a idea how much time it takes to read&write a binary file of 19 gb size by using java.io(fileinput&output streams). ... |
7. How do I read and write a binary file? coderanch.comHi Jonathan You can use the following function to read a file private static String readFileInputStream(String filename) throws IOException { String sContent=null; byte [] buffer =null; File a_file = new File(filename); try { FileInputStream fis = new FileInputStream(filename); int length = (int)a_file.length(); buffer = new byte [length]; fis.read(buffer); fis.close(); } catch(IOException e) { e.printStackTrace(); } sContent = new String(buffer); return sContent; ... |
8. write binary file doesn't work in some PC coderanch.comI'm using Eclipse with compiler 1.5 to build a program, which is to download some jar files from an URL. It's working in my own PC, with JRE 1.6.0_01. But it's not working in another PC, with JRE 1.5.0_11. On the PC with JRE 1.5, it only downloaded/created empty jar files. Here is the code for downloading: public void doDownload(String fname) ... |
9. Write Binary File in Java to be read by a C Program and Vice Versa coderanch.comSuppose that I'm trying to create a binary file created in Java to be read by a C program. Below is the code. package myproject; import java.io.FileOutputStream; import java.nio.ByteOrder; public class WriteJava { public static void main(String[] args) throws Exception { FileOutputStream fos = new FileOutputStream("C:\\tmp\\writejava.bin"); try { short unsignedByte = 0; int unsignedShort = 0; long unsignedInt = 0; int ... |
10. write a List/map to a binary file coderanch.comi am trying to write a list and a map to a binary file. Problem is i should in a format. Binary file has a header body and trailer ... so, my question is how to write data into specific location. like if i want to write to header/trailer i should be able to do it. please, help |
11. How to read and after write a video (or any binary file) coderanch.com |
12. writing to binary files java-forums.org |
13. How to Write A Binary File. forums.oracle.comSimply converting the strings to binary and writing them to a file wouldn't help keep it encrypted. When the bonary is being converted back to String, it still becomes readable. What you need to do with the bytes you have obtained from the String is to encrypt the bytes using some encryption algorithm like AES , DES , Blowfish... and then ... |
14. write and read from and to a RAF binary file forums.oracle.comI hate to sound jaded, but many of questions here about random access files are from folks whose programs would be better off without random access files. You could be the exception, however, but you may want to find out to be sure. If you are wrong and we help you, it will only help your program and your programming. Could ... |
15. problem writing more than one string of data to a binary file forums.oracle.comi am having difficulty using JTextField to write more than one string of data to a binary file. when i write a string of data to a binary file, i go into Notepad and see that it is there. when i write a second string of data to the binary file, i go into Notepad and see the second string. the ... |
16. Writing binary files & trouble with no unsigned byte type forums.oracle.comI've got a fair amount of Java experience, enough to know what I'm doing most of the time but I do have a vast experience with C & C++ which helps my Java. I've stumbled across a problem when trying to write out files in binary. If I was to write out a binary file, I would always choose C/C++ to ... |
17. How to write a binary file forums.oracle.comI don't know what a "generical binary file" might be, but if you want to write arbitrary binary data to a file then a FileOutputStream is an appropriate tool. If you're asking how to convert that text representation of binary (a string containing only zeroes and ones) into actual binary bytes, then just ask that and don't mix it up with ... |
18. Write ( to a binary file ) an int. forums.oracle.comTBM provided an [SSCCE|http://sscce.org]. It works. You're saying your code does not. You need to provide an SSCCE that demonstrates what's not working. Or, better yet. gradually narrow the deltas between your code and his until you find the culprit. You have enough tools now to solve the problem on your own, but if you want help, you'll have to make ... |
19. Troubles writing a string of numbers in binary mode to a file. forums.oracle.comHi kajbj, I have a binary file* with the numbers 1234567890. The size of this file is 10 bytes. * This file was generated in Matlab ( I can post the Matlab code if it was nescessary ). I want to generate such a file like the one generated by Matlab. But the file I am generating now ( the one ... |
20. Writing HEX to Binary File forums.oracle.comHi Everyone, This is my first time writing on here, I just can't find the answer to this so i'm hoping someone can help. I have big blocks of HEX values that I need to write to a Binary file. How can I write out those values without conversion? For Examples, I have block like "5F 24 02 66 54 85 ... |
21. File I/O : Writing into file but with some binary data forums.oracle.comBut what I can say is When I look into database table (blob column) using Oracle Sql Developer every thing is ok. ie. I can see only data which i sent. Here am sending a file from client which will save into dataBase(as blob). But when i retrieve that same data from blob i am getting the above additional binary data. ... |
22. writing to Binary file forums.oracle.com |
23. problem writing into a file in binary mode forums.oracle.comStatement stmt = conn.createStatement(); StringBuffer queryBuff = new StringBuffer(" select distinct ACCOUNT_NUMBER , USER_ID , PASSWORD, GUI_PASSWORD from USER_ACCOUNT where ACCOUNT_NUMBER > 0"); rs = stmt.executeQuery(queryBuff.toString()); while(rs.next()) { user_id = rs.getString("USER_ID"); Tui_passwd = rs.getString("PASSWORD"); Gui_passwd = rs.getString("GUI_PASSWORD"); data_str = user_id + ":" + Tui_passwd + ":" + Gui_passwd + "/"; data_byte = data_str.getBytes(); System.out.println(data_byte); out.write(data_byte); |