· I can't understand where the final keyword is really handy when it is used on method parameters. If we exclude the usage of anonymous classes, readability and intent declaration … · I'm always confused between static and final keywords in java. How are they different ? · private final int NUMBER = 10; Both are private and final, the difference is the static attribute. What's better? And why? · The final keyword has several usages in Java. It corresponds to both the sealed and readonly keywords in C#, depending on the context in which it is used. Classes To prevent … · I would like to find out when should you use static, final, static final parameters for variables and (or) methods. As much as I understand: final: used similar to const parameter in c++. In Java we use final keyword with variables to specify its values are not to be changed. But I see that you can change the value in the constructor / methods of the class. Again, if the variable is · I have a class with a private static final field that, unfortunately, I need to change it at run-time. Using reflection I get this error: java.lang.IllegalAccessException: Can not set static final A final class is simply a class that can't be extended. (It does not mean that all references to objects of the class would act as if they were declared as final.) When it's useful to declare a class as … · final does not necessarily imply that the function is overridden. It's perfectly valid (if of somewhat dubious value) to declare a virtual function as final on its first declaration in the … Java always makes a copy of parameters before sending them to methods. This means the final doesn't mean any difference for the calling code. This only means that inside the method the …
