Why are Java constants static and final? The reason why global constants in Java use the static and final keywords is because final ensures a variable cannot change, while static ensures only one copy ...

Java’s engineers decided to avoid that ... Can only be extended. Can only use static final fields, parameters, or local variables for methods. Can have instance mutable fields, parameters ...

Marking a class as final prevents all inheritance ... while making code more readable and easier to maintain. Here's how it works. Use sealed classes in Java to control your inheritance Need to limit ...