Top "Final" questions

final is a common keyword specifying that the reference declared as final cannot be modified once it is initialized.

How does the "final" keyword in Java work? (I can still modify an object.)

In Java we use final keyword with variables to specify its values are not to be changed. But I see …

java final
What is the point of "final class" in Java?

I am reading a book about Java and it says that you can declare the whole class as final. I …

java final
private final static attribute vs private final attribute

In Java, what's the difference between: private final static int NUMBER = 10; and private final int NUMBER = 10; Both are private and …

java static attributes private final
Change private static final field using Java reflection

I have a class with a private static final field that, unfortunately, I need to change it at run-time. Using …

java reflection static private final
Cannot refer to a non-final variable inside an inner class defined in a different method

Edited: I need to change the values of several variables as they run several times thorugh a timer. I need …

java methods declaration final
Difference between final and effectively final

I'm playing with lambdas in Java 8 and I came across warning local variables referenced from a lambda expression must be …

java lambda inner-classes final java-8
when exactly are we supposed to use "public static final String"?

I have seen much code where people write public static final String mystring = ... and then just use a value. Why …

java final
Why should I use the keyword "final" on a method parameter in Java?

I can't understand where the final keyword is really handy when it is used on method parameters. If we exclude …

java pass-by-reference final pass-by-value
final keyword in method parameters

I often encounter methods which look like the following: public void foo(final String a, final int[] b, final Object1 …

java final
Why is there no Constant feature in Java?

I was trying to identify the reason behind constants in Java I have learned that Java allows us to declare …

java constants final