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| Core java - Interview Questions and Answers for 'Bristlecone' - 3 question(s) found - Order By Newest | ||||
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| Ans. OOPs or Object Oriented Programming is a Programming model which is organized around Objects instead of processes. Instead of a process calling series of processes, this model stresses on communication between objects. Objects that all self sustained, provide security by encapsulating it's members and providing abstracted interfaces over the functions it performs. OOP's facilitate the following features 1. Inheritance for Code Reuse 2. Abstraction for modularity, maintenance and agility 3. Encapsulation for security and protection 4. Polymorphism for flexibility and interfacing | ||||
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 Discuss Correct / Improve  oops oops features  Asked in 260 Companies  basic  frequent | ||||
 Related Questions | ||||
 Can you give a real world example of Encapsulation and Abstraction ? | ||||
| Which of the following Java feature promotes access protection or Hiding ? a. Inheritance b. Encapsulation c. Abstraction d. Composition | ||||
| Define encapsulation in Java ? | ||||
| Give an example of how Object Oriented Programming Concepts can be implemented. | ||||
| Which of the OOP's features facilitate dependency injection ? | ||||
| Which of the OOP's feature - encapsulation or abstraction - is more important ? | ||||
| Which of the polymorphism type - static or runtime - is more important ? | ||||
| Which of the OOP's feature is most important ? | ||||
 Frequently asked in CTS ( Based on 2 feedback ) | ||||
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| Ans. Comparable interface is used for single sequence sorting i.e.sorting the objects based on single data member where as comparator interface is used to sort the object based on multiple data members. | ||||
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| Discuss Correct / Improve java java.util comparable comparator collections Asked in 23 Companies basic frequent | ||||
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| What is comparator interface used for ? | ||||
| Sort a List of Objects using comparable and comparator | ||||
| What is a comparator ? | ||||
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| This question was recently asked at 'Bristlecone,Amazon Lab126,Amazon,Microsoft,Facebook,NCR,Google'.This question is still unanswered. Can you please provide an answer. | ||||
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| Discuss Correct / Improve arrays code coding Asked in 7 Companies frequent | ||||
| Related Questions | ||||
| If arrays cannot be resized , Why is this code valid String[] strArray = new String[2]; strArray = new String[5]; | ||||
| What are the disadvantages of using arrays ? | ||||
| What are the Disadvantages of using Collection Classes over Arrays ? | ||||
| Advantage of Collection classes over Arrays ? | ||||
| Difference between Arrays and ArrayList ? | ||||
| Can we declare an array without assigning the size of an array? | ||||
| Why doesn't this code give compile time error when we are clearly trying to add an integer element to an array of Strings Object[] strArray = new String[2]; strArray[0] = 5; | ||||
| What is the advantage of using arrays over variables ? | ||||
| What is the difference between int[] x; and int x[]; ? | ||||
| Write a Program to merge two sorted arrays ? | ||||
