Core Java Interview Questions and Answers
Ques. What is Class.forName() does and how it is useful?Ans. It loads the class into the ClassLoader. It returns the Class. Using that you can get the instance ( 'class-instance'??.newInstance() ). |
Is it helpful?
Yes
No
Most helpful rated by users:
- How could Java classes direct program messages to the system console, but error messages, say to a file?
- What are the differences between an interface and an abstract class?
- Why would you use a synchronized block vs. synchronized method?
- How can you force garbage collection?
- What are the differences between the methods sleep() and wait()?