JAVA Questions & Answer | As per SBTE Bihar Syllabus

JAVA Questions & Answer | Department of Computer Science and Engineering.

1. Give four differences between strings and string buffer class.

2. Explain 'this' keyword with suitable example.

3. Explain thread life cycle with suitable diagram.

4. Explain any four methods of graphics class.

5. Define Exception? How is it handled? 

6. Write syntax to inherit one interface into another interface.

7. Explain package creation with suitable example.

8. Explain serialization with suitable example for writing an object into file.

9. Explain thread priority and method to get and set priority values.

10. Give four difference between applet and application.

11. Explain stream and various types of streams.

12. Explain dynamic method dispatch.

13. Explain class variable with suitable example.

14. Explain features: (i)Platform Independence (ii)Robust (iii)Dynamic (iv)Object oriented

15. What is inheritance? List types of inheritance and explain single level inheritance with example.

16. Describe any four features of Java.

17. Describe file output stream class with one example.

18. Explain try – catch statement with one example.

19. Explain constructor with its type, Give example of parameterized constructor.

20. State any four methods of wrapper class.

21. Write a program to find out whether entered no. is prime or not.

22. Explain Life-cycle of an applet.

23. Compare between string and string buffer class.

24. Explain robust and secure feature of java.

25. Explain the following terms w.r.t exception handling

26. Explain the use of ternary (?:) operator with example

27. Explain following thread methods with suitable example.

28. Explain in detail garbage collection mechanism in java.

29. Give the difference between Buffered Reader and Buffered Writer class.

30. Write a program to find out sum of even and odd numbers. Use suitable range.