“The singleton pattern is a design pattern that restricts the instantiation of a class to one object. This is useful when exactly one object is needed to coordinate actions across the system.”
– Wikipedia: Singleton Pattern
Complete the Singleton class in your editor which contains the following components:
- A private Singleton non parameterized constructor.
- A public String instance variable named .
- Write a static method named getSingleInstance that returns the single instance of theSingleton class.
Once submitted, our hidden Solution class will check your code by taking a String as input and then using yourSingleton class to print a line.
You will not be handling any input in this challenge.
You will not be producing any output in this challenge.
Hello I am a singleton! Let me say hello world to you