JAVA Online Test

1. Which class can access all public and protected methods and fields of its super class?

2. In java, float takes _________ bytes in memory.

3. Can variables be used in Java without initialization?

4. What will be the output of Round(3.7).

5. Does Java supports goto?

6. Which tool is required on each machine to run a Java program?

7. Which method of the Runnable interface that must be implemented by all threads?

8. Which Keyword is used If a class has multiple constructors defined,it’s possible to call a
constructor from another constructor’s body?

9. Base class for all exceptions

10. Environment variable that stores the location of bin folder