Saved Bookmarks
This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is Abstract class? |
| Answer» | |
| 2. |
What is Polymorphism? |
| Answer» | |
| 3. |
When super keyword is used? |
| Answer» | |
| 4. |
Define Inheritance? |
| Answer» | |
| 5. |
What things should be kept in mind while creating your own exceptions in Java? |
| Answer» | |
| 6. |
How finally used under Exception Handling? |
| Answer» | |
| 7. |
When throw keyword is used? |
| Answer» | |
| 8. |
When throws keyword is used? |
| Answer» | |
| 9. |
Which are the two subclasses under Exception class? |
| Answer» | |
| 10. |
Explain Runtime Exceptions? |
| Answer» | |
| 11. |
What do you mean by Checked Exceptions? |
| Answer» | |
| 12. |
What is an Exception? |
| Answer» | |
| 13. |
What is finalize() method? |
| Answer» | |
| 14. |
java.util.regex consists of which classes? |
| Answer» | |
| 15. |
Which package is used for pattern matching with regular expressions? |
| Answer» | |
| 16. |
What is the difference between StringBuffer and StringBuilder class? |
| Answer» | |
| 17. |
Why is StringBuffer called mutable? |
| Answer» | |
| 18. |
Why is String class considered immutable? |
| Answer» | |
| 19. |
When parseInt() method can be used? |
| Answer» | |
| 20. |
Variables used in a switch statement can be used with which datatypes? |
| Answer» | |
| 21. |
According to Java Operator precedence, which operator is considered to be with highest precedence? |
| Answer» | |
| 22. |
What do you mean by synchronized Non Access Modifier? |
| Answer» | |
| 23. |
What is protected access modifier? |
| Answer» | |
| 24. |
What do you mean by Access Modifier? |
| Answer» | |
| 25. |
When a byte datatype is used? |
| Answer» | |
| 26. |
What is the default value of float and double datatype in Java? |
| Answer» | |
| 27. |
What is the default value of byte datatype in Java? |
| Answer» | |
| 28. |
List the three steps for creating an Object for a class? |
| Answer» | |
| 29. |
What do you mean by Constructor? |
| Answer» | |
| 30. |
What is Singleton class? |
| Answer» | |
| 31. |
What is a Class Variable? |
| Answer» | |
| 32. |
What is a Instance Variable? |
| Answer» | |
| 33. |
What is a Local Variable? |
| Answer» | |
| 34. |
What kind of variables a class can consist of? |
| Answer» | |
| 35. |
Define class? |
| Answer» | |
| 36. |
What do you mean by Object? |
| Answer» | |
| 37. |
List some Java keywords(unlike C, C++ keywords)? |
| Answer» | |
| 38. |
List two Java IDE’s? |
| Answer» | |
| 39. |
What is Java Virtual Machine and how it is considered in context of Java’s platform independent feature? |
| Answer» | |
| 40. |
Why Java is considered dynamic? |
| Answer» | |
| 41. |
How Java enabled High Performance? |
| Answer» | |
| 42. |
Why is Java Architectural Neutral? |
| Answer» | |
| 43. |
List any five features of Java? |
| Answer» | |
| 44. |
What are the supported platforms by Java Programming Language? |
| Answer» | |
| 45. |
What do you know about Java? |
| Answer» | |