Java interview questions part 11
Java interview questions part 11
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. Which of these events will be notified if scroll bar is manipulated?
Correct Answer is : AdjustmentEvent
2. Which of these events will be generated if we close an applet’s window?
Correct Answer is : WindowEvent
3. Which of the following is not a class of java.util.regex?
Correct Answer is : Regex class
4. What is the significance of Matcher class for regular expression in java?
Correct Answer is : interpreted both pattern and performs match operations in the string
5. Object of which class is used to compile regular expression?
Correct Answer is : Pattern class
6. Which capturing group can represent the entire expression?
Correct Answer is : group 0
7. groupCount reports a total number of Capturing groups.
Correct Answer is : TRUE
8. Which of the following matches nonword character using regular expression in java?
Correct Answer is : \W
9. Which of the following matches end of the string using regular expression in java?
Correct Answer is : \z
10. What does public int end(int group) return?
Correct Answer is : offset from last character of the subsequent group
11. what does public String replaceAll(string replace) do?
Correct Answer is : Replace every subsequence of the input sequence that matches pattern with a replacement string
12. What does public int start() return?
Correct Answer is : returns start index of the previous match
13. Which of the following keywords is used for throwing exception manually?
Correct Answer is : throw
14. Which of the following classes can catch all exceptions which cannot be caught?
Correct Answer is : Error
15. Which of the following is a super class of all exception type classes?
Correct Answer is : Throwable
16. Which of the following operators is used to generate instance of an exception which can be thrown using throw?
Correct Answer is : new
17. Which of the following keyword is used by calling function to handle exception thrown by called function?
Correct Answer is : throws
18. Which of the following handles the exception when a catch is not used?
Correct Answer is : default handler
19. Which part of code gets executed whether exception is caught or not?
Correct Answer is : finally
20. Which of the following should be true of the object thrown by a thrown statement?
Correct Answer is : Should be assignable to Throwable type
