1. How can i delete the last 48 bytes in a file ? forums.oracle.comIf the length is 148, and then you set the length to 100, then close the RandomAccessFile, those last 48 bytes are "deleted" from the file. That is, anybody reading the file will not see them. The bytes probably still exist on the disk until overwritten by some other action, but as far as users of that file are concerned, they're ... |
2. How to read a byte[] from a file forums.oracle.comthere are actually docs on the classes ByteArrayInputStream and ByteArrayOutputStream here: http://java.sun.com/javase/6/docs/api/ go there (copy & paste in browser) and text search for the above classes. Then read into it. That way, you will come to a better comprehension of the entire thing. You may as well want to read this: http://java.sun.com/docs/books/tutorial/essential/io/index.html And for the future: if you have general problems, ... |
3. converting file containing bytes to object forums.oracle.comgood day to u all, here is my problem: i have lots of objects which were converted into bytes n written to a file that was sent to another machine using FTP. (this only uses ByteArrayOutputStream) what i want to know is that is there a way to read the file in the other machine and cast it to the original ... |
4. How to write newline character to file using bytes along with content forums.oracle.comHi All, I need to write headers into the file using byte[]. I am creating the strings of header which will form the different rows in the file. I am new to java and would like to know how to embed new line character so that when the byte[] is written to file headers come in different rows. like hrd1:abcd hdr2:1234 ... |
5. IO reading bytes forums.oracle.comtried all this, and compared the files, and it appears that its not reading the first few bytes...? Well, yeah, if you look at your original post that is exactly what it is doing. But it clearly isn't stripping CR/LF characters, which was your original suggestion, so that was a piece of misdirection which prevented people from looking critically at the ... |
6. Bytes of the renamed files are changing forums.oracle.com |
7. how to insert new line char while writing bytes into file forums.oracle.comI am extremely Sorry for my big mistake!! I always opened the file in notepad, thats why it has shown as [] this char for new line. when i open with EditPlus , it has perfectly showing the string displayed line by line Sorry, i wasted you people time , but i got the advantage to know some hint and tutorial ... |
8. Write Negative Value Byte to File forums.oracle.com |
9. How to get the file size (in bytes) for all files in a directory? forums.oracle.com |
10. Most efficient way to write 4 bytes at the start of any file. forums.oracle.com |
11. transfer bytes to a file forums.oracle.comSo far I can only transfer plain text which is displayed only on the console. In order to solve my problem I was thinking of doing something general, i.e it wouldn't make a difference for me what kind of extension the server is sending. I would read the bytes received from the server and write them on another file. |
12. how to convert bytes[] into File object forums.oracle.com |
13. Extra bytes appearing when transfering sections of larger file - HELP? forums.oracle.comThis is working fine except I am getting one or two bytes ADDED to the fileChannel_out (ugh!) they aren't at the beginning or end, but at random places in the middle. I am happy to send anyone the whole test file (it's pretty short) along with the sample source binary if you think you can help me. I cannot think of ... |
14. most efficient way to write byte[] to a file forums.oracle.com |
15. Java writing out bytes from one file, reading back in again forums.oracle.comHi, I'm having some trouble with bytes. I have one program which outputs the following bytes into a file (using Printstream.write() - I'm sure that this program is working fine): 4 0 64 0 4 0 128 0 63 223 64 20 4 16 130 0 60 16 64 1 63 223 79 236 64 16 195 232 116 63 255 ... |
16. Error when writing bytes to file forums.oracle.comHi, I write bytecode to a file using a standard FileWriter. The problem Im facing is that when writing eg. 0x80 or 0x90 the result in the file is replaced by 0x3f. The value Im writing is correct (I have circumnavigated the signed bit problem) but when fed into FileWriter.write(int) it is replaced in the file by 0x3f. I thought the ... |
17. java.io.IOException: Unable to read entire block; 2 bytes read;expected 512 forums.oracle.com |
18. Compilationerror to files > 64 byte forums.oracle.com |
19. byte to file conversion forums.oracle.com |
20. How to write newline character to file using bytes along with content forums.oracle.comHi All, I need to write headers into the file using byte[]. I am creating the strings of header which will form the different rows in the file. I am new to java and would like to know how to embed new line character so that when the byte[] is written to file headers come in different rows. like hrd1:abcd hdr2:1234 ... |
21. How can we read some bytes from every line of the file forums.oracle.comI want read 4 caharactes from each line suppose there are ten lines in a file This is line 1 This is line 2 This is line 3 ..... ..... .... This is line 8 This is line 9 This is line 10 firt i read 4 characters form the fist line ie 'This' next i want to read first 4 ... |
22. convert byte file to asci forums.oracle.comHi all I'm newbie with java but i need to load a file containing a long stream of bit and i need to convert all this stream in a stream of ascii character. Any idea? Give up. The problem as stated is not possible. Character sets can be converted to other characters sets with limitations (most of the time.) Conversely the ... |