magic « Number « Java Data Type Q&A





1. Is -1 a magic number? An anti-pattern? A code smell? Quotes and guidelines from authorities    stackoverflow.com

Possible Duplicate:
Constant abuse?
I've seen -1 used in various APIs, most commonly when searching into a "collection" with zero-based indices, usually to indicate the "not ...

2. How far should best practices like avoiding magic number should go?    stackoverflow.com

In near future we might be enforced by a rule by which we can not have any hard coded numbers in our java source code. All the hard coded numbers ...

3. "Bad Magic Number Error"    coderanch.com

Hi! I have deleted the previous complied beans and tried to upload again but still i am getting the same problem.I have come to know through some search that we get the bad magic number error if we upload the files in ASCii instead of binary....i have tried out even that but in vain....pls help me out Preethi.

4. java bad magic number error    coderanch.com

Hello All, When i'm running configurator executable in the system, I'm getting the bad magic number error and it it coming out, Could some body help me out as how to solve this problem. The error details are as follows: Starting Configurator run [Date : Wed Aug 1 08:43:59 EDT 2007] ------------------------------------------------------------------ Found executable /opt/java1.4/bin/java Found executable /usr/bin/dirname Executing the java ...

5. magic number???    coderanch.com

A good example of a "magic number" is something like "80" in this statement: if ( s.length() > 80 ) Some folks would call that a magic number. They think that it should be replaced with: private static final int terminalWidth = 80 ; ... if ( s.length() > terminalWidth ) so that you know where the "80" comes from. The ...

6. java bad magic number error    coderanch.com

Hello All, When i'm running configurator executable in the system, I'm getting the bad magic number error and it it coming out, Could some body help me out as how to solve this problem. The error details are as follows: Starting Configurator run [Date : Wed Aug 1 08:43:59 EDT 2007] ------------------------------------------------------------------ Found executable /opt/java1.4/bin/java Found executable /usr/bin/dirname Executing the java ...

7. Imcompatible Magic Number?    coderanch.com

Hey All, Things are going well in java land so far, been hitting the books pretty hard since January, and I've started to develop small apps for general day-to-day use. Well, I finished one app and it works great on windows with no errors, so I thought I'd give it a roll on other operating systems. I just tried it on ...

8. Checkstyle - avoiding using 'magic numbers'    coderanch.com

I'm pretty new to java and have just discovered CheckStyle. One of the messages I'm getting a lot of is # 'is a magic number'. In one case I worked around it like this: final int zipLength = 11; if (zip == null) { msgs.add("Zip code is required.\n"); validationFailed = true; } else if (zip.length() >= zipLength) { msgs.add("Zip code cannot ...

9. Magic numbers in code    coderanch.com

Pratap, I agree that having a list of INDEX_# variables to avoid magic numbers is more harmful than using the magic numbers themselves. Something that I have seen several times dealing with the same problem: int index = 1; String name = foo.get(index++); String bar = foo.get(index++); String baz = foo.get(index++); I feel pretty ambivalent about whether the above is better ...





10. Magic Numbers?!    java-forums.org

You should have used a variable and assigned the value 3 to it. In future if the requirements of the program changed to be more or less than 3 arguments then it is easier to find the variable declared at the top of your code than hunting through the body of the code to make the change. It is only a ...

11. Magic Number Game    forums.oracle.com