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What is the return type of the main method?
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 is the default return type of main () Mcq?
Explanation: C++ uses int as the default return values for functions. It also restricts that the return type of the main function must be int. 2.
What do I return in main?
The return value for main is used to indicate how the program exited. If the program execution was normal, a 0 return value is used. Abnormal termination(errors, invalid inputs, segmentation faults, etc.) is usually terminated by a non-zero return. There is no standard for how non-zero codes are interpreted.
What is the return type of the main () method in Java?
void
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.
What is the default return type of getchar ()?
Discussion Forum
| Que. | What is the default return-type of getchar()? |
|---|---|
| b. | int |
| c. | char * |
| d. | reading character doesn’t require a return-type |
| Answer:int |
What is default return type in Java?
In Java it’s always void as the signature for the main method is: public static void main(String[] args)
What is the default return type of main () in C++?
In C++ language, the main() function can be left without return value. By default, it will return zero.
Why do we use return 1 in C?
return 1 in the main function means that the program does not execute successfully and there is some error. return 0 means that the user-defined function is returning false. return 1 means that the user-defined function is returning true.
Why main method return type is void in Java?
The reason for the main method having void as return type is that once main finishes, it doesn’t necessarily mean that the entire program finished. If main spawns new threads, then these threads can keep program running.
Can main method return int?
I answered: No. The compiler won’t compile it as it is expecting the return type of main to be int , though we can overload it.
What does getc return in C?
The getc() function obtains a character from the stream that is specified. It returns the character that was read in the form of an integer or EOF if an error occurs.
What is default return type if it is not specified in function definition?
If a function declaration does not specify a return type, the compiler assumes an implicit return type of int . When a function does not return a value, void is the type specifier in the function declaration and definition.
What is the default return type of main() in C?
The default return type in C is integer (int) which returns integer value. If there no any value to return to main then we use void main() which returns nothing to main. If there is a character to return to main then we use char main() which returns character to main. Syntax: 1. int main() 2. void main() 3. char main() Read More.
Why does the main function return 0 by default?
By default the main function return “0” because main function’s default return type is “int”. main function return type is integer by default. But it cam be void also . When return type is integer ,you have to include “return 0” statement at the end .This line returns zero to the operating system at the end of the program.
What is the return type of main() in Java?
The return type of main depends upon the datatype which you declared with main. The default data type is integer (int). It always returns an Interger value. If you use “void main ()”, that means there is no such return type.
What is the return value of main() function?
The return value of main () function shows how the program exited. The normal exit of program is represented by zero return value. If the code has errors, fault etc., it will be terminated by non-zero value. In C++ language, the main () function can be left without return value.