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- Question
Which of the following is not a keyword?
Options- A. assert
- B. pass
- C. eval
- D. nonlocal
- Correct Answer
- eval
Explanation"eval" is not a keyword and is can be used as variable.
- 1. Does not overriding hashcode() method has any performance implication ? Discuss
- 2. What is an error-first callback ? Discuss
- 3. I don't want my class to be inherited by any other class. What should i do? Discuss
- 4. main() { int i; printf("%d",scanf("%d",&i)); // value 10 is given as input here }
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
- 5. The keyword which indicates that a method can be accessed by only one thread at a time is
Options- A. Strictfp
- B. Synchronized
- C. New
- D. None Discuss
- 6. Which of the following statements about inheritance is false?
Options- A. Inheritance allows you to minimize the amount of duplicate code in an application by sharing common code among several subclasses.
- B. A subclass inherits all the members (fields, methods, and nested classes) from its superclass.
- C. Through inheritance, a parent class is a more specialized form of the child class.
- D. Inheritance allows you to reuse the fields and methods of the super class without having to write them yourself. Discuss
- 7. What is latest iOS version? Discuss
- 8. What are the features is IOS 6? Discuss
- 9. Does iOS support multitasking? Discuss
- 10. Name the framework that is used to construct application?s user interface for iOS. Discuss
Technology problems
Search Results
Correct Answer: A poor Hashcode() function will result in frequent collision in HashMap which eventually increase time for adding an object into Hash Map
Correct Answer: Error-first callbacks are used to pass errors and data as well You have to pass the error as the first parameter, and it has to be checked to see if something went wrong Additional arguments are used to pass data fsreadFile(filePath, function(err, data) { if (err) { // handle the error, the return is important here // so execution stops here return consolelog(err) } // use the data object consolelog(data) })
Correct Answer: You should declared your class as final But you can't define your class as final, if it is an abstract class A class declared as final can't be extended by any other class
Correct Answer: 1
Explanation:
Scanf returns number of items successfully read and not 1/0. Here 10 is given as input which should have been scanned successfully. So number of items read is 1.
Correct Answer: Synchronized
Explanation:
The synchronized keyword indicates that a method can be accessed by only one thread at a time
Correct Answer: Through inheritance, a parent class is a more specialized form of the child class.
Correct Answer: IOS - 613 (updated on 5/15/13 3:15 AM Pacific Daylight Time)
Correct Answer: 1Map beautifully designed from the ground up (and the sky down) 2Integration of Facebook with iOS 3shared photo streams 4Passbook - boarding passes, loyalty cards, retail coupons, cinema tickets and more all in one place 5Facetime - on mobile network as wifi 6changed Phone app - *remind me later, *reply with message 7Mail - redesigned more streamline interface 8Camera with panorama
Correct Answer: IOS 4 and above supports multi-tasking and allows apps to remain in the background until they are launched again or until they are terminated
Correct Answer: The UIKit framework is used to develop application?s user interface for iOS UIKit framework provides event handling, drawing model, windows, views, and controls specifically designed for a touch screen interface
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