Can a program run without main?
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Answer / Rohit Shrivastava
In C++, constructors are special member functions used to initialize objects. By design, they do not have a return type, including 'void'. However, in some object-oriented languages like Java and C#, constructors can implicitly return the instance of the created object without an explicit return statement.
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I want to write a C++ language program that: 1. Reads in the size of a square from the screen; 2. Prints a hollow square of that size out of “-“, “|” and blanks on screen; 3. Prints the same hollow square onto a text file. The program should work for squares of all side sizes between 1 and 20.
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