hex « Development « Java I/O Q&A

1. Java: File to Hex?    stackoverflow.com

I have a file in Java

FileInputStream in = null;
try{    
in = new FileInputStream("C:\\pic.bmp");
}catch{}

2. (Java) Write decimal/hex to a file, and not string    stackoverflow.com

If I have a file, and I want to literally write '42' to it (the value, not the string), which for example is 2a in hex, how do I do it? ...

3. Java reading hex file    stackoverflow.com

As part of a larger program, I need to read values from a hex file and print the decimal values. It seems to be working fine; However all hex values ranging from ...

4. reading from .HEX file    coderanch.com

Hi i,am trying to read contents from a .hex file and convert them into characters . For example say the .hex file looks like FF702445235678 Now i need to read these values and convert them into characters . That is i need to know the value of FF , 70 , 24 an so on . Any ideas ? Thanks in ...

5. Writing Hex Values to a file    coderanch.com

Hi All, I am reading a file which contains EBCIDC data (English and Arabic) in binary format. My basic task is to convert this data in UTF-8 format. I am able to read the data byte by byte. For each byte which is read I am able to find the Hex value for EBCIDC. So I am able to locate the ...

6. Find Hex chars in a file    coderanch.com

Hi all, I have a very very big ".txt" file having few hex characters , i want to remove these hex characters from this file so what i'm doing is 1. i read character by character 2. Check the hex value of each char 3. Append it to a StringBuffer if it is a valid one. But this takes very very ...

7. Writing Hex Values to a file    coderanch.com

If you use a Formatter object to write the values, you can change the numbers to characters using a %c tag in the format() method. I think it only works in a text file; Formatter is the opposite of Scanner, so it is a basic and simple text writing device. But it works and is easy to use. BTW. You don't ...

8. Trouble editing hex files    forums.oracle.com

9. Reading hex files    forums.oracle.com

You've not detailed what about your code you feel is "not quite working." I assume all the magic in your program is performed in showbytes(). It seems odd to me that you've placed one line of the source file into your variable 'line', yet pass the whole InputStream 'src' to showbytes(). Guess I've seen stranger things, but I wonder how that ...

10. Having trouble with reading hex from an input file - please help    forums.oracle.com

It would help if you posted the complete error you get. Just so you know parseInt() can handle letters very well, and it will parse your hex correctly the way you coded it. The problem is elsewhere. [edit] Er... actually make sure that you always use Integer.parseInt(myString, 16) when parsing HEX numbers. it seems the first time you read the line ...

11. My Hex File Viewer is too slow, help    forums.oracle.com

Is the problem a) with the file I/O b) the byteToHex() method c) the textarea append method What timings do you get when you just simply insert the text into the text area without doing the conversion? For what its worth, when I was first trying to learn Swing (so the coding practices may not be the best) I created a ...