Java enum FAQ: Can you share some Java enum examples, such as how to declare a Java enum, and how to use a Java enum in a for loop, if then statement, and Java switch statement?
As described in Sun's Java documentation, a Java enum "is a type whose fields consist of a fixed set of constants ... you should use enum types any time you need to represent a fixed set of constants." Let's take a look at some Java enum examples to see how this works.
Java enum FAQ: Can you share a Java enum
I haven’t tried this before, but I was just working on several Java enum examples (Java enum examples tutorial, Java enum switch example), and I thought I’d take a look at the Java enum
To that end I wrote the following Java enum “toString” example class:
Problem: When working with some Ruby code in an
irb session, I just got the following error message:
NameError: uninitialized constant Tempfile
Here's a snippet of my
irb session where this error occurred:
>> tmp = Tempfile.new NameError: uninitialized constant Tempfile from (irb):1
This "NameError: uninitialized constant" looks intimidating, but it's actually not a big deal: I just forgot to