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What else can I help you with?
Why would you make a class final in java?
You would make a class Final in Java if you do not want anybody to inherit the features of your class. If you declare a class as Final, then no other class can extend this class. Example: public final class X { .... } public class Y extends X { .... } Here Y cannot extend X because X is final and this code would not work.
How do you prevent class extending in java?
Declare the class as final. final class A{ ... }
Final classes in java?
A class declared as final means that no other class can inherit from it.
How to create immutable class in java?
by making that class final
How do you prevent extending a class in java?
You can declare a class as "final".
Do you use virtual functions in Java?
Every method in java that isn't a class (static) method is automatically "virtual." If you want to disable virtual overrides, make the method "final" in the base class.
Which built in class in java contains only final methods?
String class
When do you declare a method final in java?
You declare a method final in Java when you do not want any subclasses of your class to be able to override the method. I have also heard that this allows the Java compiler to make more intelligent decisions. For example, it supposedly allows Java to decide when to make a method inline. (Note that this is all unconfirmed)
In Java can an interface be final?
No. Interfaces themselves cannot be instantiated, so in order to be useful you must make a subclass. The final keyword will make a class unable to be extended, which would defeat the point of using an interface.
How do you prevent method overriding in java?
Use the word "final" directly preceding your method declaration. The presence of final keyword directs java to ensure that, this particular method would not be overridden by any of its child classes.
How do you prevent inheritance in java?
If a class is declared as final, you can't inherit from it. If individual methods are declared final, then, if the class is inherited, these methods can't be changed in the inherited classes.
What is public static final variable in java?
-Public to all - Static to access with Class Name - Final to change( constant and not alowed to change) Just use it along with class name. (As implied above, a 'public static final' variable in Java is what other languages would call a Constant. )
