Singleton Class

Challenge

Write a program to create a Sample class as a Singleton class. A Singleton class is a class from which only one object can be created.

Sample run

If you correctly do the coding exercise and don’t change anything in the main( ) function, then you should expect to see the following console output:

0x20014c70
0x20014c70
0x20014c70

Coding exercise

Try to solve this challenge on your own. If you can’t solve it, you can look at the solution and explanation below.