Ernst & Young
10+ Docplexus Online Services Interview Questions and Answers
You are given two Singly Linked List of integers, which are merging at some node of a third linked list.
Your task is to find the data of the node at which merging starts. If there is...read more
You are given an array of n integers (a1, a2,....,an), you need to find if the array contains a pythagorean triplet or not.
An array is said to have a pythagorean triplet if there exists thr...read more
Take two numbers as input and swap them and print the swapped values.
Input Format:
The first line of input contains a single integer 't', representing the total number of test cases. The second...read moreWhat do you mean by data encapsulation?
Q5. What is the difference between arrays and linked list. Which one is better
Arrays are fixed in size and have contiguous memory, while linked lists are dynamic and have non-contiguous memory.
Arrays have constant time access to elements, while linked lists have linear time access.
Arrays are better for random access and searching, while linked lists are better for insertion and deletion.
Arrays use less memory for storing elements, while linked lists use more memory due to additional pointers.
Example: Array - ['apple', 'banana', 'cherry'], Linked List -...read more
What is Garbage collector in JAVA?
In how many ways you can display HTML elements?
What are the features of HTML-5?
How to optimize website assets loading?
Can the static methods be overridden?
What is a z-index, how does it function?
What is a higher order function?
What are closures?
Explain promises and it's 3 states .
Explain Hoisting in JavaScript.
Q16. What are OOPs Concepts?
OOPs Concepts are fundamental principles of Object-Oriented Programming that help in organizing and designing code.
Encapsulation: Bundling data and methods that operate on the data into a single unit (object).
Inheritance: Allowing a class to inherit properties and behavior from another class.
Polymorphism: Ability of objects to take on multiple forms or have multiple behaviors.
Abstraction: Hiding the complex implementation details and showing only the necessary features of an ...read more
Q17. What is AVL tree?
AVL tree is a self-balancing binary search tree where the heights of the two child subtrees of any node differ by at most one.
AVL tree was named after its inventors Adelson-Velsky and Landis.
It is a type of binary search tree where the heights of the two child subtrees of any node differ by at most one.
AVL trees are used to maintain a balanced tree structure, ensuring O(log n) time complexity for insertion, deletion, and search operations.
Rotations are performed on AVL trees ...read more
Q18. Share your college experienceon coding.
I gained hands-on coding experience through coursework, projects, and internships during my college years.
Took courses in programming languages such as Java, C++, and Python.
Participated in coding competitions and hackathons to enhance my skills.
Completed coding projects in areas like web development, data analysis, and software engineering.
Interned at a tech company where I worked on real-world coding projects.
Collaborated with classmates on coding assignments and group proj...read more
Q19. Define LIFO, FIFO etc
LIFO stands for Last In, First Out and FIFO stands for First In, First Out.
LIFO: Last In, First Out - the last item added to a stack is the first one to be removed.
FIFO: First In, First Out - the first item added to a queue is the first one to be removed.
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