Ruby program to create a user-defined function without argument and without a return value

Program/Source Code:

The source code to create the multiple objects of the class is given below. The given program is compiled and executed successfully.

# Ruby program to create a user-defined function 
# without argument and without a return value

def sayHello()
   puts "Hello World";
end

sayHello();

Output:

Hello World

Explanation:

In the above program, we created a function sayHello() without any argument and without any return value to print the "Hello World" message.