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Final methods are used when a class is inheritable but should have some functions that must not be overridden for them to operate properly. This allows a class that can be inherited, but still have limits on its customization. Usually, final methods are declared so that a method that accepts a parameter of class A can accept a parameter of class B that inherits from A, and the designer of class A can still be certain that the method will operate as intended regardless of what the developer does in class B.
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What is the return type of finally method in java?
The final and finally keywords have no impact on the return type of a method in Java.
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)
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.
What is mean by Final?
final is a Java keyword. It is used to:> Mark a variable as final which prevents its value from being changed> Mark a class as final to prevent it from being extended> Mark a method as final to avoid it from beingoverridden
What method in Java cannot be overridden?
Methods which are declared final cannot be overridden.
What is a getContentPane method in Java?
The getContentPane() method is used to get the main component in a Java Swing JFrame. It is usually a JPanel.
What is native variable in java?
native is a key word used in java method. there is no variable as native in java
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.
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.
Can you declears static in a local variable in a method in java?
we cannot use the staic keyword inside the method... But we can use the final keyword inside the method....
What is difference between constant in c plus plus and final in java?
The final keyword can be used to modify a class, method, or variable.When used on a variable, it means that variable cannot be changed once set.When used on a method, it means that no subclasses may override that method.
How do you campaire Strings in java?
String class in Java has an 'equals' method that can be used to compare strings.
