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Which of the following is true about the main() function in C++?
- a)It is the entry point of the program
- b)It must return an integer value
- c)It can take command-line arguments
- d)All of the above
Correct answer is option 'D'. Can you explain this answer?
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Which of the following is true about the main() function in C++?a)It i...
The main() function is the entry point of the program, must return an integer value, and can take command-line arguments.
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Which of the following is true about the main() function in C++?a)It i...
Entry point of the program:
The main() function is the entry point of a C++ program. When the program is executed, the operating system calls the main() function first to start the execution of the program.
Must return an integer value:
In C++, the main() function must return an integer value to the operating system. A return value of 0 typically indicates that the program executed successfully, while a non-zero value signifies an error or abnormal termination.
Can take command-line arguments:
The main() function in C++ can take command-line arguments. These arguments are passed to the program when it is executed from the command line, allowing the program to process input from the user or external sources.
All of the above:
In conclusion, all of the statements mentioned in the options are true about the main() function in C++. It serves as the entry point of the program, must return an integer value, and can take command-line arguments for added functionality.
The main() function is the entry point of a C++ program. When the program is executed, the operating system calls the main() function first to start the execution of the program.
Must return an integer value:
In C++, the main() function must return an integer value to the operating system. A return value of 0 typically indicates that the program executed successfully, while a non-zero value signifies an error or abnormal termination.
Can take command-line arguments:
The main() function in C++ can take command-line arguments. These arguments are passed to the program when it is executed from the command line, allowing the program to process input from the user or external sources.
All of the above:
In conclusion, all of the statements mentioned in the options are true about the main() function in C++. It serves as the entry point of the program, must return an integer value, and can take command-line arguments for added functionality.
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Which of the following is true about the main() function in C++?a)It is the entry point of the programb)It must return an integer valuec)It can take command-line argumentsd)All of the aboveCorrect answer is option 'D'. Can you explain this answer?
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