C++ Programming

  1. Write a C++ Program to print a welcome text in a separate line.
  2. Write a Program in C++ to add two numbers.
  3. C++ program for addition of two numbers using functions.
  4. Add two numbers in C++ using class.
  5. Addition of two numbers using call by reference in C++
  6. C++ program to write a program to add two numbers using call by value.
  7. Swapping of two numbers in C++ without using third variable. 
  8. Swap two numbers in C++ using function.
  9. C++ program to swap two numbers using class.
  10. C++ program to swap two numbers using call by value.
  11. C++ program to swap two numbers using pointers.
  12. Write a program to swap private data members of two classes using friend function.
  13. write a program to add data objects of two different classes using friend function.
  14. Threading in C++.
  15. C++ thread lambda
  16. C++ thread lambda with parameter
  17. C++ thread lambda pass by reference
  18. Singleton C++ example

What, if any, are the differences between the following definitions: int month = 9, day = 7; int month = 09, day = 07;

The first line int month = 9 and day = 7 are the decimal numbers, whereas the second line o9 and o7 are the octal numbers. Here for Month = o9, month is invalid because 9 is not an octal whereas day = o7 is valid because 7 is octal. Decimal numbers are the numbers which are whole numbers as well as also have fractional part. The octal number system uses numbers from 0 to 7 and has a base of 8.  

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