Can we overriding main method?

Can we overriding main method?

No, we cannot override main method of java because a static method cannot be overridden. The static method in java is associated with class whereas the non-static method is associated with an object. ... Therefore, it is not possible to override the main method in java.

Can we override main method in Java with example?

Overriding main method You cannot override static methods and since the public static void main() method is static we cannot override it.

Can we have 2 main methods in Java?

A class can define multiple methods with the name main. The signature of these methods does not match the signature of the main method. These other methods with different signatures are not considered the "main" method. Yes it is possible to have two main() in the same program.

Can we execute a program without main?

Yes You can compile and execute without main method By using static block. But after static block executed (printed) you will get an error saying no main method found.

Is it possible to have 2 main methods in Java?

The only way to have two main methods is by having two different classes each with one main method. The name of the class you use to invoke the JVM (e.g. java Class1, java Class2) determines which main method is called.

Can we make constructor final?

No, a constructor can't be made final. A final method cannot be overridden by any subclasses. ... In other words, constructors cannot be inherited in Java therefore, there is no need to write final before constructors. Therefore, java does not allow final keyword before a constructor.

When to use method overriding?

Method overriding is used to provide the specific implementation of a method which is already provided by its superclass. Method overriding is used for runtime polymorphism. The method must have the same name as in the parent class.

Can a private method be overridden?

No, a private method cannot be overridden since it is not visible from any other class. If we do this than its a new method for your subclass that has no relation to the superclass method.

Can the main method be overridden?

In short, main method can be overloaded but cannot be overridden in Java. That's all about overloading and overriding main method in Java. Now you know that its possible to overload main in Java but its not possible to override it, simply because its a static method.

Is main method can be overrided?

No,main method cannot be overrided and saying exactly there's no need to override main method. Any member with a private access specifier cannot be used by the members of other class except the class that inherits it. Yes, a constructor can be private.