Quick Answer: Can We Call Main Inside Main In Java?

Can we call main () inside main in C?

Yes, we can call the main() within the main() function.

The process of calling a function by the function itself is known as Recursion.

Well,you can call a main() within the main() function ,but you should have a condition that does not call the main() function to terminate the program..

Why is String args used in Java?

The String[] args parameter is an array of Strings passed as parameters when you are running your application through command line in the OS. The java -jar command will pass your Strings update and notify to your public static void main() method.

Can we inherit private method in Java?

You can only call a private member method in its definition class. … say() because derived classes can’t inherit private methods from its base class. Only protected and public methods/variables can be inherited and/or overridden.

Where is main method defined in Java?

A Java application is a public Java class with a main() method.The main() method is the entry point into the application.The signature of the method is always: public static void main(String[] args)Command-line arguments are passed through the args parameter, which is an array of String s.

Why Main is static in Java?

Java main() method is always static, so that compiler can call it without the creation of an object or before the creation of an object of the class. … Static method of a class can be called by using the class name only without creating an object of a class.

Can we override static method?

Can we Override static methods in java? We can declare static methods with the same signature in the subclass, but it is not considered overriding as there won’t be any run-time polymorphism. Hence the answer is ‘No’.

Can you make a 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.

Is it allowed to overload main () method in Java?

Yes, we can overload the main method in Java, but When we execute the class JVM starts execution with public static void main(String[] args) method.

Who is calling main function in C?

In ‘C’, the “main” function is called by the operating system when the user runs the program and it is treated the same way as every function, it has a return type.

Can we use printf inside printf?

What printf does is just push characters to the buffered output stream. … This statement is not correct but, you can use printf within printf. Upon successful return, printf functions return the number of characters printed (not including the trailing ‘\0’ used to end output to strings).

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.

Why we Cannot override static method?

Static methods cannot be overridden because they are not dispatched on the object instance at runtime. The compiler decides which method gets called. Static methods can be overloaded (meaning that you can have the same method name for several methods as long as they have different parameter types).

Is String args necessary in Java?

The Java runtime system looks specifically for a method with a single String[] type parameter, because it wants to pass the parameters to your main method. … If you want to treat the (string) command line parameters as integers or booleans, you are expected to do the conversion yourself.

Can main be overridden in Java?

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 main be called inside printf?

2 Answers. Yes. Although it’s rather special in some ways, printf is just another function. And a function call can be part of an expression.

What is the difference between printf and sprintf?

What is the difference between printf, sprintf and fprintf? printf: printf function is used to print character stream of data on stdout console.

Can we write Scanf inside printf?

scanf() reads the values supplied from standard input and return number of values successfully read from standard input (keyboard). In C, printf() returns the number of characters successfully written on the output and scanf() returns number of items successfully read.

Can main method be final?

Yes, we can declare the main () method as final in Java. The compiler does not throw any error. … The main use of the final method in Java is they are not overridden. We can not override final methods in subclasses.