Explain abstract class in java?
What is an enumeration class?
What is the difference between a local variable and an instance variable?
What is diamond operator in java?
What is parameter example?
Explain final, finalize() and finally?
What are the 4 types of characters?
What is the purpose of void?
Is void a type?
What is the console in java?
What's the difference between an abstract class and interface in java?
How would you format a date in java? I.e. In the ddmmyyy format?
What are the restrictions imposed on method overriding?