How do you fix main method not found in class?

Keep the program modular. Keep the Calculate class in a separate Calculate. java file and create a new class that calls the main method. This would make the code readable.

Does the main method have to be in a public class?

The main method must be public, static, with return type void, and a String array as argument. You can write a program without defining a main it gets compiled without compilation errors. But when you execute it a run time error is generated saying “Main method not found”.

Can I compile a Java file with a different name than the class?

yes, we compile a java file with a different name than the class, provided that there should not be any public class in that file. If there is any public class in file then in that case you have to give that name as file name. But if your class does not contain any public class then you can give any name to you class.

Is it possible to execute java code without main method?

Yes, we can execute a java program without a main method by using a static block. Static block in Java is a group of statements that gets executed only once when the class is loaded into the memory by Java ClassLoader, It is also known as a static initialization block.

Does not have a main method error in Netbeans?

The easiest method is to press Shift+F11 (Clean and Build Project), then hit F6 to run it. It refreshes Netbeans appropriately and finds your main without all the manual labor; and if you have multiple mains, it will give you the option to select the correct one.

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 we write main method without public?

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.

Can we save java source file without name?

what do you mean by without any name there need to be some name. Yes,it is possible to compile a java source file with different file name but you need to make sure none of the classes defined inside are public… when you compile the source file the corresponding .

Can I have Main method for every class in java?

Yes you can have more classes that contain public static void main(String[] args) . However, you can’t have more than one main method within same class.