Sep 16, 2008 · Instead: If you have access to Java 5+, use enums to define your specific constants for an application area. All parts of the application area should refer to enums, not constant values, for …

Oct 9, 2012 · You can use an enum type in Java 5 and onwards for the purpose you have described. It is type safe. A is an instance variable. (If it has the static modifier, then it becomes a static variable.) …

5 enum s are fine. IIRC, one item in effective Java (2nd Ed) has enum constants enumerating standard options implementing a [Java keyword] interface for any value. My preference is to use a [Java …

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 so and would save memory. …

May 30, 2014 · What is the best practice to declare a java file having only constant? public interface DeclareConstants { String constant = "Test"; } OR public abstract class DeclareConstants { public s...

Sep 21, 2012 · Is there any naming convention for java constant variable? Normally we use variables with names containing uppercase letters and underscores(_). For example: public final class …

Constant (without a qualifier, like "compile time" or "enum") isn't a rigorously defined Java term. It is generally considered to be a static final field with an immutable or primitive type, but there could be …

Apr 18, 2012 · For each type it loads, a Java virtual machine must store a constant pool. A constant pool is an ordered set of constants used by the type, including literals (string, integer, and floating point …

Why are Java constants declared static? class Foo { static final int FII = 2 ; } In this example I understand the use of final, But why does it have to be static? Why should it be a class vari...

Mar 7, 2016 · I was trying to identify the reason behind constants in Java I have learned that Java allows us to declare constants by using final keyword. My question is why didn't Java introduce a Constant …