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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)
What else can I help you with?
How nesting of methods is done in java?
No, Java only allows a method to be defined within a class, not within another method.
When do you declare a method or class abstract in java?
when overriding of a class or a method is necessary, they can be declared as abstract
What is out of scope in returning objects in java?
if u declare variable in method & tray to use this variable outside the method then it is out of scope
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.
How many values can a method return in Java?
A method in java can declare only one return value and type at a time. For ex: a single method cannot have a code that returns a string in some cases and an integer in other cases. Java compiler does not let you do that. You can only have one return type for every method in java.
When do you declare a method or class final?
if we declare a method as final then it can be changed.
How do you prevent class extending in java?
Declare the class as final. final class A{ ... }
How do you prevent extending a class in java?
You can declare a class as "final".
How nesting of methods is done in java?
No, Java only allows a method to be defined within a class, not within another method.
When do you declare a method or class abstract in java?
when overriding of a class or a method is necessary, they can be declared as abstract
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.
What is out of scope in returning objects in java?
if u declare variable in method & tray to use this variable outside the method then it is out of scope
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 method in Java cannot be overridden?
Methods which are declared final cannot be overridden.
How many values can a method return in Java?
A method in java can declare only one return value and type at a time. For ex: a single method cannot have a code that returns a string in some cases and an integer in other cases. Java compiler does not let you do that. You can only have one return type for every method in java.
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.
What is the relationship between inheritance methods and the keyword final?
They are inversely related. That is: If you declare a method as final you cannot overridden in the child class If you declare a class as final you cannot inherit it in any other class.
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.
How do you return an object in java?
With the command return, followed by an object variable. In the method header, you have to declare the return type as the class of the object.
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....
Which qualifier is used to declare read-only variable in java?
A variable declared as final can't be modified, once a value is assigned.
Can you declare main as final or not and why?
Yes you can. Try this: public class TestMain { /** * @param args */ public static final void main(String[] args) { System.out.println("Inside final mail method..."); } } It will print "Inside final mail method..." in the console.
When do you declare a variable method and a class final?
When There is No Need to Change the Values of the Variables In Entire lifetime of That variables then we must use that Variable as Final Variable.
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
