Why main method is not private in Java?

Reason: Since the access specifier was changed from “public” to “private” JVM was unable to access/locate the main method.

Can private class have main method?

Yes, we can declare the main method as private in Java. It compiles successfully without any errors but at the runtime, it says that the main method is not public.

Why main method in Java is public?

Why is main method public in Java? We know that anyone can access/invoke a method having public access specifier. The main method is public in Java because it has to be invoked by the JVM. So, if main() is not public in Java, the JVM won’t call it.

What if the main () method is declared as private?

Can we declare main() method as private or protected or with no access modifier? Class will compile successfully but will get run time error as no main method found.

Can main method be overridden in java?

No, we cannot override main method of java because a static method cannot be overridden.

What happens if main method is not public?

I mean if the class itself is not public JVM can still access main method that means there is no need of main to be public. But if we don’t declare it as public, it will throw an error.

Can main method be overridden in Java?

Can main method be overloaded?

Yes, you can overload main method in Java. But the program doesn’t execute the overloaded main method when you run your program, you have to call the overloaded main method from the actual main method. that means main method acts as an entry point for the java interpreter to start the execute of the application.

What happens if we make the main method private in Java?

If we make main method private , JVM won’t be able to call that main method so the code wont be executed to avoid this it will give you compile time error as follows. The program compiled successfully, but main class was not found. Main class should contain method: public static void main (String [] args).

Why do we not declare classes as private in Java?

A top-level class as private would be completely useless because nothing would have access to it. SO whether it has main method or any other method…we don’t declare classes private. On the contrary inner classes can be accessed by outer classes so they can be private or protected.

How to call main from a protected method in Java?

In this code, the protected method can’t be used as entry point of the app, but, it can be invoked from the class PublicMain Private methods can’t be invoked but from the class it self. So you’ll need something like: public static void callMain() { main( new String[]{} ); } To call mainif it were private.

Can the JVM access the main in a private class?

Here’s a similar question with quite a straightforward answer. Basically, the JVM can access the main in any class that is either of default access or of public access because it is the entry point. If the class is private or protected you will get a compile error.