Core Java Interview Questions and Answers
Question: Which package is always imported by default?Answer: The java.lang package is always imported by default. |
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()?