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| General - Interview Questions and Answers for 'Accenture' - 10 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 | ||||
 Very frequently asked. Favorite question in Walk in Drive of many Indian service companies. | ||||
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| Ans. Underlying data structure for ArrayList is Array whereas LinkedList is the linked list and hence have following differences - 1. ArrayList needs continuous memory locations and hence need to be moved to a bigger space if new elements are to be added to a filled array which is not required for LinkedList. 2. Removal and Insertion at specific place in ArrayList requires moving all elements and hence leads to O(n) insertions and removal whereas its constant O(1) for LinkedList. 3. Random access using index in ArrayList is faster than LinkedList which requires traversing the complete list through references. 4. Though Linear Search takes Similar Time for both, Binary Search using LinkedList requires creating new Model called Binary Search Tree which is slower but offers constant time insertion and deletion. 5. For a set of integers you want to sort using quicksort, it's probably faster to use an array; for a set of large structures you want to sort using selection sort, a linked list will be faster. | ||||
 Sample Code for ArrayList Sample Code for LinkedList | ||||
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| Discuss Correct / Improve collections java data structures arraylist linkedlist arraylist vs linkedlist Asked in 61 Companies Basic frequent | ||||
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| Basic and Very Frequently asked. | ||||
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| Ans. Polymorphism means the condition of occurring in several different forms. Polymorphism in Java is achieved in two manners 1. Static polymorphism is the polymorphic resolution identified at compile time and is achieved through function overloading whereas 2. Dynamic polymorphism is the polymorphic resolution identified at runtime and is achieved through method overriding. | ||||
| Sample Code for overloading Sample Code for overriding | ||||
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| Discuss Correct / Improve polymorphism object oriented programming (oops) oops concepts oops concepts Asked in 108 Companies Basic frequent | ||||
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| Almost sure to be asked in every company using any Dependency Injection framework ( Spring, Guice etc ) | ||||
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| Ans. It is a Design Pattern that facilitates loose coupling by sending the dependency information ( object references of dependent object ) while building the state of the object. Objects are designed in a manner where they receive instances of the objects from other pieces of code, instead of constructing them internally and hence provide better flexibility. | ||||
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| Discuss Correct / Improve design patterns ioc ( Inversion of Control ) dependency injection Asked in 83 Companies intermediate frequent | ||||
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| Ans. Abstraction is a process of hiding the implementation details and describing only the functionality to the user. | ||||
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| Discuss Correct / Improve bstraction oops concepts oops principle Asked in 22 Companies | ||||
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| Ans. We are using Agile methodology. I attend daily stand up where the development leads takes the status of assigned stories, achievements, any bottlenecks or challenges. We follow iteration of 2 weeks. | ||||
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| Discuss Correct / Improve sdlc agile methodology software system analyst software developer interview development lead project lead interview Asked in 14 Companies frequent | ||||
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| Ans. <a href="http://javahungry.blogspot.com/2015/03/difference-between-array-and-arraylist-in-java-example.html" rel="nofollow">http://javahungry.blogspot.com/2015/03/difference-between-array-and-arraylist-in-java-example.html</a> | ||||
| Sample Code for ArrayList | ||||
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| Discuss Correct / Improve array arraylist Asked in 11 Companies basic frequent | ||||
| Frequently asked in Accenture. | ||||
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| Ans. [Open Ended Answer] | ||||
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| Discuss Correct / Improve general question non technical question Asked in 20 Companies frequent | ||||
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| Ans. The most effective and acceptable reasons for leaving your current job should be positive e.g. moving forward in your life or career | ||||
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| Discuss Correct / Improve Asked in 21 Companies | ||||
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| Ans. https://blog.timesunion.com/careers/the-10-most-important-personality-traits-for-career-success/633/ | ||||
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| Discuss Correct / Improve Asked in 32 Companies | ||||
What will be the output of exceuting main method ?
