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Java method to filter even and odd numbers from a list
Create two separate lists for even and odd numbers
Iterate through the input list and add each number to the respective list based on its parity
Return both lists as an array of strings
To find a specific element in a linked list in Java.
Traverse the linked list starting from the head node
Compare each node's value with the target value
Return the node if found, otherwise return null
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Developed a web application for tracking employee attendance and performance
Implemented user authentication and authorization using Spring Security
Utilized Hibernate for database interaction and data persistence
Designed and developed RESTful APIs for frontend integration
Used AngularJS for frontend development to create interactive user interfaces
I applied via Company Website and was interviewed in Nov 2024. There were 3 interview rounds.
A standard online test conducted through one of the testing platforms.
posted on 30 Oct 2024
I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
Abstract class can have constructor, fields, and methods, while interface cannot have any of these.
A class can extend only one abstract class, but can implement multiple interfaces.
Abstract classes are used to define a common behavior among subclasses, while interfaces are used to define a contract for classes...
Handler methods in Java are methods that are responsible for handling incoming requests and generating responses.
Handler methods are typically defined in classes annotated with @Controller or @RestController.
These methods are mapped to specific URLs using @RequestMapping or other mapping annotations.
Handler methods can have parameters such as HttpServletRequest, HttpServletResponse, or model attributes.
The return value...
HashMap internally uses an array of linked lists to store key-value pairs.
HashMap uses hashing to determine the index of the key in the array.
If multiple keys hash to the same index, a linked list is used to store them.
When retrieving a value, the key is hashed to find the index and then the linked list is searched for the key.
Vector is synchronized and slower, ArrayList is unsynchronized and faster.
Vector is synchronized, ArrayList is not.
Vector is slower due to synchronization, ArrayList is faster.
Vector is legacy class, ArrayList is part of Java Collections framework.
Vector doubles its size when full, ArrayList increases by 50%.
I applied via Campus Placement and was interviewed in Apr 2024. There were 2 interview rounds.
Aptitude questions and some questions from PostgreSQL.
HashMap, LinkedList, HashSet, and Heap are data structures commonly used in Java for storing and organizing data.
HashMap: key-value pairs, uses hashing to store and retrieve elements efficiently (e.g. HashMap
LinkedList: linear data structure, elements are stored in nodes with pointers to the next node (e.g. LinkedList
HashSet: collection of unique elements, uses hashing to ensure uniqueness (e.g. Hash...
Comparable is an interface used for natural ordering, while Comparator is used for custom ordering in Java.
Comparable interface is used to define the natural ordering of objects. It is implemented by the class whose objects are to be sorted.
Comparator interface is used to define custom ordering of objects. It is implemented by a separate class that compares objects based on specific criteria.
Example: Sorting a list of ...
List allows duplicate elements and maintains insertion order, while Set does not allow duplicates and does not maintain order.
List can contain duplicate elements, Set cannot
List maintains insertion order, Set does not guarantee order
List is implemented by classes like ArrayList, LinkedList, Set is implemented by classes like HashSet, TreeSet
Example: List
Questions on permuation and combination
I applied via Company Website and was interviewed in Feb 2024. There was 1 interview round.
Sir.Sridhar Vembu is the founder and CEO
Yes, Zoho is a foreign company based in India.
Zoho is headquartered in Chennai, India.
It was founded by Sridhar Vembu in 1996.
Zoho has offices in multiple countries including the United States, China, Japan, and Singapore.
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