hex « Integer « Java Data Type Q&A





1. Why is Java able to store 0xff000000 as an int?    stackoverflow.com

An integer's max value in Java is 2147483647, since Java integers are signed, right? 0xff000000 has a numeric value of 4278190080. Yet I see Java code like this:

int ALPHA_MASK = 0xff000000;
Can anyone enlighten ...

2. Differences between 0x01 and 0x01f    stackoverflow.com

I'm looking at the original source code for Identicons. There's a bit of code that does some bit twiddling to extract red, green and blue components:

int blue = (code >> 16) ...

3. How to get hex value from integer in java    stackoverflow.com

I don't know how to generate Hex 0x83 from integer value in java. I need 0x83 for Cyrillic alphabet to send to my printer. When I create integer 131 and convert ...

4. Hexadecimal to Integer in Java    stackoverflow.com

I am trying to convert a String hexadecimal to an integer. The string hexadecimal was calculated from a hash function (sha-1). I get this error : java.lang.NumberFormatException. I guess it doesn't ...

5. Advantage of using 0x01 instead of 01 for an integer variable in java    stackoverflow.com

Recently I came across a line like this

public final static int DELETION_MASK = 0x01;
why is it not like
public final ...

6. How to convert a string representation of unicode hex "0x20000" to the int code point 0x20000 in Java    stackoverflow.com

I have a list of String representations of unicode hex values such as "0x20000" () and "0x00F8" (ΓΈ) that I need to get the int code point of so that I ...

7. How to get a signed 32 bit integer from hex bytes without being 2's complement applied to it in java    stackoverflow.com

I have 4bytes of hex values directly without two's complement being applied to signed inetger. How do I get an int value from hex bytes using java.

8. Manipulation with integer int to hex conversions    stackoverflow.com

I know is simple and I know that is asked many times but still I couldn't find the thing I am looking for. I have a value from 0 to 500 it ...

9. Convert integer to hex in little endien format    bytes.com

until now i'm using bytebuffer but i can't view the result my code is ByteBuffer bb = ByteBuffer.allocate(4); bb.order(ByteOrder.LITTLE_ENDIAN); bb.putInt(9995); System.out.println("x = "+ bb.toString()); i no have idea to print the ...





10. converting float hex to int    coderanch.com

Hi Campbell, As soon as I thought I have got this done someone pointed out the mistake. When I give 256.0f, The answer I expect is 100 and not 4380000. When I try String s = String.format("%x",256L); I get the required result, But this can only work for long data type. This fails as soon as I give more than 19 ...

11. int to hex    coderanch.com

12. Hex to Integer Problem    java-forums.org

13. Converting Hex to Integer Value    forums.oracle.com

Yes you are doing it wrong. If you want to work with hexadecimal values and use Integer.parseInt(), you need to ignore the conventional "x" character put to indicate this is a hexadecimal value. If you remove the "X" in your code, it will not throw the exception. However, I also did not understand what you are trying to achieve by appending ...

14. int to hex    forums.oracle.com

thanks for the reply. The value of variable "i" keeps on incrementing. The idea is to increment hexadecimal values. Can someone tell me how to increment this value in steps so that returned values is also in hexadecimal. int i = 0x000A0000; @petes I did not see your answer, will try it and get back, thanks. Message was edited by: @debug ...

15. Convert a hex string to an int    forums.oracle.com

So you haven't worked out how it works yet? A char is represented internally by a number, which in the case of the String "123" are: '1' = 49 '2' = 50 '3' = 51 That doesn't look very helpful at first, but if you look at the numbers in binary form: '1' = 110001 '2' = 110010 '3' = 110011 ...

16. Trying to convert hex string to int    forums.oracle.com





17. Hex to Integer Problem    forums.oracle.com

18. Convert an int value to a one byte hex    forums.oracle.com

I am trying to send a one byte hex value inside a message. What I do is construct the message, calculate an inValue and then try to convert it as a hex and add it into it. This message is finally sent as a stream of bytes. For example: The message structure is like this:

19. hex integer issue    forums.oracle.com

im using the following code to get the hex string values of data from a binary file, which works, however it seems to cut off the zero's from the beginning, i.e if the hex is spose to be 00 40 10 00, the code will return 40 10 00 or if its spose to be 00 02 00 00 it will ...

20. Convert hex string to int    forums.oracle.com

I would appreciate any help/advice on how to convert a hex string to an unsign int. I have the following {code} String hexString = "0x45 0xFF 0x09"; {/code} I need to extract the hex values from the string and convert it to an unsigned int. However, I have a problem when extracting '0xFF' - it is converted to a negative value, ...

21. Hex to Int    forums.oracle.com