come on
- Preface
- The basic data types in Java include the following:
- What is the difference between String and StringBuilder?
- What is object-oriented programming (OOP)?
- How to create a class in Java?
- What is inheritance? How to implement inheritance in Java?
- What is polymorphism? How to implement polymorphism in Java?
- What are encapsulation and inheritance?
- What is an interface? How to implement interface in Java?
- What is an abstract class? How to define an abstract class?
- What is exception handling? What is the exception handling mechanism in Java?
- What is a try-catch block?
- What is the function of final keyword in Java?
- What are static variables and static methods?
- What is a package? How to use packages in Java