Sage-Tips

Can main method have a return type in java?

As main() method doesn’t return anything, its return type is void. As soon as the main() method terminates, the java program terminates too.

What can be return type of main method?

A program’s main() method has a void return type.

Does the main method have to be void?

The method main must be declared public , static , and void . It must accept a single argument that is an array of strings.

Which method Cannot have a return type?

declared void
Any method declared void doesn’t return a value and cannot contain a return statement. Any method that is not declared void must contain a return statement.

Can we write return in main method?

6 Answers. Yes, you can but you can’t run that Java class.

Can main return void in C?

Microsoft C int main(int argc, char *argv[], char *envp[]); Alternatively, the main and wmain functions can be declared as returning void (no return value). If you declare main or wmain as returning void, you cannot return an exit code to the parent process or operating system by using a return statement.

Why is the return type of the main void in Java?

Java main method doesn’t return anything, that’s why it’s return type is void. This has been done to keep things simple because once the main method is finished executing, java program terminates. So there is no point in returning anything, there is nothing that can be done for the returned object by JVM.

Can we have multiple main method?

Yes, you can have as many main methods as you like. You can have main methods with different signatures from main(String[]) which is called overloading, and the JVM will ignore those main methods. You can have one public static void main(String[] args) method in each class. Those two methods have the same signature.

Why is the return type of the main void in java the return type of main in C ++?

This line returns zero to the operating system at the end of the program. If we specified return type as void,then no need to write return 0 at the end. returning zero means exiting the program successfully, and returning non-zero means there is some error.

Can a void method have a return statement?

Any method declared void doesn’t return a value. It does not need to contain a return statement, but it may do so.

Can we change return type of main method?

print or System. out. println ), but you can’t change the return type of main . The main method’s return type must be void , because the java language specification enforces it.

Can I write a return type other than void in Java?

You can write the main method in your program with return type other than void, the program gets compiled without compilation errors. But, at the time of execution JVM does not consider this new method (with return type other than void) as the entry point of the program.

Is it possible to return a method from a void function?

2 No, returns are unnecessary in Java void functione. Instead, do this: public void myMethod(){ doSomething(); } You could put a return after doSomething() if you wanted, but as I said it’d be unnecessary.

Does JVM consider return type as the entry point of program?

But, at the time of execution JVM does not consider this new method (with return type other than void) as the entry point of the program. It searches for the main method which is public, static, with return type void, and a String array as an argument.

What is the use of main method in Java?

The public static void main () method is the entry point of the Java program. Whenever you execute a program in Java, the JVM searches for the main method and starts executing from it. You can write the main method in your program with return type other than void, the program gets compiled without compilation errors.