InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What will be the default values of all the elements of an array defined as an instance variable? |
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| 2. |
How does a try statement determine which catch clause should be used to handle an exception? |
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| 3. |
Can a double value be cast to a byte? |
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| 4. |
What is constructor chaining and how is it achieved in Java? |
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| 5. |
What restrictions are placed on method overriding? |
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| 6. |
What is the difference between inner class and nested class? |
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| 7. |
If a method is declared as protected, where may the method be accessed? |
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| 8. |
What are order of precedence and associativity and how are they used? |
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| 9. |
What is Downcasting? |
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| 10. |
What is an object's lock and which object's have locks? |
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| 11. |
Which object oriented Concept is achieved by using overloading and overriding? |
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| 12. |
Can an Interface extend another Interface? |
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| 13. |
What are the restriction imposed on a static method or a static block of code? |
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| 14. |
Can a class declared as private be accessed outside it's package? |
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| 15. |
What is difference between Path and Classpath? |
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| 16. |
What is an enumeration? |
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| 17. |
Can a vector contain heterogenous objects? |
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| 18. |
What is the difference between the size and capacity of a Vector? |
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| 19. |
What is the SimpleTimeZone class? |
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| 20. |
What is the GregorianCalendar class? |
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| 21. |
Which method must be implemented by all threads? |
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| 22. |
Which method is used to create the daemon thread? |
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| 23. |
What is daemon thread? |
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| 24. |
If System.exit (0); is written at the end of the try block, will the finally block still execute? |
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| 25. |
What is Externalizable interface? |
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| 26. |
What is Nested top-level class? |
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| 27. |
Is there any need to import java.lang package? |
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| 28. |
What environment variables do I need to set on my machine in order to be able to run Java programs? |
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| 29. |
Why Generics are used in Java? |
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| 30. |
Which class represents the socket that both the client and server use to communicate with each other? |
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| 31. |
Which class is used by server applications to obtain a port and listen for client requests? |
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| 32. |
Disadvantages of Java Sockets? |
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| 33. |
Advantages of Java Sockets? |
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| 34. |
What is a Socket? |
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| 35. |
Define Network Programming? |
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| 36. |
Define canvas? |
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| 37. |
Define code as an attribute of Applet? |
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| 38. |
Which method is called by Applet class to load an image? |
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| 39. |
Why is the role of init() method under applets? |
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| 40. |
Life cycle of an applet includes which steps? |
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| 41. |
Explain main thread under Thread class execution? |
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| 42. |
What is currentThread()? |
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| 43. |
Explain isAlive() method under Thread class? |
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| 44. |
Explain suspend() method under Thread class> |
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| 45. |
Where import statement is used in a Java program? |
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| 46. |
Break statement can be used as labels in Java? |
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| 47. |
Which number is denoted by leading 0x or 0X in java? |
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| 48. |
Which number is denoted by leading zero in java? |
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| 49. |
Does Java allow Default Arguments? |
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| 50. |
What is the immediate superclass of Menu? |
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