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Methods which are declared final cannot be overridden.

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15y ago

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What is fix in java?

fixed method means is one which cannot be overridden by a subclass. A fixed method can be declared by prefixing the word-final before a method. We can use the keyword final to donate a constant.


Any method in a super class can be overridden in its subclass?

False.Any method declared as final cannot be overridden by any subclasses.You also cannot technically override a private method. While your subclass can have a method with the same definition as a private method in the superclass, it does not actually override that method.


Static method can be overridden?

Depends. A non-static method that is declared final cannot be overridden. A non-static method in a final class cannot be overridden. A non-static method that is declared private cannot be overridden. A non-static method that is declared with package visibility cannot be overridden by classes in a different package. Other than that, yes.


What if a final keyword is applied to a function?

The final keyword in JAVA means that the class can no longer be derived, i.e. it cannot be used as a base class for a new child class.If you declare a method as final, this method cannot be overridden in any of the child class that may extend this class.


Is systemoutprint is an object?

System.out.println() is a general output line used in Java. System.out are objects of the perdifined class java.lang Println is a method within this class. This method can however be overridden.


Can an overridden method return void instead of an object?

Sure. An overridden method can return anything it wants.


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 nesting of methods is done in java?

No, Java only allows a method to be defined within a class, not within another method.


What will happen if a Java Class has no Main Method?

Nothing will happen. There is no restriction that every Java class must have a main method. The only program is that, this class cannot be executed as a standalone java program.


Is it possible to override overloaded methods why?

Yes. Overloaded methods are also Java methods and all Java methods can be overridden.


How do you print message before main in java?

You cannot do that. The main method of a java class is the point where the execution begins. You can print messages only after a main method is invoked.


What are the rules for overriding a method in Java?

Realistically, the only real rule is that you may NOT override a method which has been declared 'final' by a superclass. By inference, you of course cannot extended a class that has itself been declared 'final', so no method in a final class can be overridden.In addition to the above restriction on whether you are permitted to override a method, there are several restrictions which you must obey when creating an override method:The scope (visibility) of the method may not be more restrictive than the one being overridden. For example, a method which is declared 'public' cannot be overridden with one which is declared 'package' or 'private'The override method's declared exceptions must be a subset of the original (i.e. you can removed Exceptions to be handled, but never add new ones that aren't a subtype of already existing Exceptions).The return type must either stay the same, or be a subclass of the original method's return type.And, of course, the declaration of arguments (type and number) must not change; otherwise, you are writing an Overloaded method, not an Overridden method.