How do you define a class of constants in Java? - Stack Overflow
If no one but one class cares about a constant - it should be private and in that class. If only tests care about a constant - it should be in a test class, not production code. If a constant is defined …
java - What is a class constant? - Stack Overflow
Nov 12, 2015 · A static field, sometimes called a class variable, is incarnated when the class is initialized . JLS-4.12.4. final Variables says (in part) A constant variable is a final variable of …
How to declare a constant in Java? - Stack Overflow
Oct 9, 2012 · indeed, it isn't compile-time constant. However, the definition "In computer programming, a constant is a value that cannot be altered by the program during normal …
What is the best way to implement constants in Java?
Sep 16, 2008 · The Java compiler will actually optimize this and place the actual value of the constant into any class that references it. If you later change the 'Constants' class and you …
Java class constants - Stack Overflow
Nov 13, 2012 · Please don't worry about the sense of this code, this is just a copy and paste of snippets to show how I am trying to use the class constants. My IntelliJ doesn't complain about …
Sharing constant strings in Java across many classes?
Jun 5, 2012 · public static final String CONSTANT_STRING="CONSTANT_STRING"; constants should be: public - so that it can be accessed from anywhere; static - no need to create an …
Defining constant string in Java? - Stack Overflow
Mar 28, 2018 · The reason for that is because Java creates copies of non static variables every time you instantiate an object of the class. So if we make the constants static it would not do …
Java array of constants - Stack Overflow
Oct 14, 2015 · If you want to create an immutable array, no, you cannot. All arrays in Java are mutable. If you just want to predefine the array in your class, you can do it: private static final …
Does Java have a complete enum for HTTP response codes?
Apr 8, 2009 · The best provider for http status code constants is likely to be Jetty's org.eclipse.jetty.http.HttpStatus class because: there is a javadoc package in maven which is …
In Java, can I declare a HashMap constant? - Stack Overflow
May 11, 2017 · Instead of using composting to achieve a constant HashMap, you could use inheritance to inherit a new class from HashMap and then override the HashMap.put() method …