["What is the purpose of the code output \"111 Karan\" and \"222 Aryan\" in the given context?", "What do reference variables refer to in Java?", "What is the relationship between the reference variables s1 and s2 in the given code?", "What happens when an object is created in Java?", "What happens to an object when it is declared in Java?", "How many reference variables are created in the example given above?", "Where are objects allocated in memory in Java?", "What is the purpose of the reference variable in Java?"]