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I applied via Naukri.com and was interviewed in Apr 2023. There were 4 interview rounds.
Java Basic Programs
Collection is a single object that groups multiple elements, while Collections is a utility class in Java for working with collections. Interface defines a contract for classes to implement, while abstract class can have both abstract and concrete methods.
Collection is a single object that represents a group of objects, like List, Set, Queue, etc.
Collections is a utility class in Java that provides static methods for w...
Default and static methods are introduced in Java 8 to provide additional functionality in interfaces.
Default methods allow interfaces to have method implementations, reducing the need for abstract classes.
Static methods in interfaces can be called using the interface name, similar to static methods in classes.
Default methods can be overridden in implementing classes, while static methods cannot be overridden.
Example: ...
Util class is a class that contains static methods for common utility functions, while an interface is a contract that defines a set of methods that a class must implement.
Util class is used for grouping related static methods together, while an interface is used for defining a contract that classes must adhere to.
Util class cannot be instantiated or extended, while an interface can be implemented by multiple classes.
U...
To lead a team of technical professionals, set clear expectations, provide guidance and support, and ensure successful project delivery.
Set clear goals and objectives for the team
Communicate expectations clearly and regularly
Provide guidance and support to team members
Ensure project deadlines are met
Encourage collaboration and teamwork
Lead by example
I applied via Approached by Company and was interviewed in Nov 2023. There was 1 interview round.
HCLTech interview questions for designations
I applied via Naukri.com and was interviewed before May 2023. There was 1 interview round.
Get interview-ready with Top HCLTech Interview Questions
I applied via Naukri.com and was interviewed before Aug 2023. There was 1 interview round.
I applied via Naukri.com and was interviewed in Jul 2023. There were 3 interview rounds.
HashMap is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values.
HashMap is implemented using an array of linked lists, where each element in the array is a bucket that can store multiple key-value pairs.
When a key-value pair is added to the HashMap, the key is hashed to determine the index in the array where the pair will be stored.
If multiple keys hash to the same index, a colli...
Some common coding question like reversing string
IEnumerable is a simple interface for iterating over a collection, while IQueryable is used for querying data from a data source.
IEnumerable is in-memory data manipulation, while IQueryable is for querying data from a database.
IEnumerable is suitable for LINQ to Objects, while IQueryable is suitable for LINQ to SQL.
IEnumerable is evaluated on the client-side, while IQueryable is evaluated on the database server.
IEnumer...
Constants are compile-time constants, while readonly variables can be assigned a value at runtime but cannot be changed after initialization.
Constants are declared using the 'const' keyword, while readonly variables are declared using the 'readonly' keyword.
Constants are evaluated at compile time, while readonly variables are evaluated at runtime.
Constants can only be assigned a value at declaration, while readonly var...
I applied via Naukri.com and was interviewed before Nov 2023. There were 2 interview rounds.
Ingress manages external access to services, while load balancer distributes traffic within the cluster.
Ingress is an API object that manages external access to services in a cluster.
Ingress typically provides HTTP and HTTPS routing.
Load balancer is a service that distributes incoming network traffic across multiple backend services.
Load balancer ensures that no single service is overwhelmed with traffic.
In Kubernetes,...
Different types of databases serve different purposes, such as relational databases for structured data and NoSQL databases for unstructured data.
Relational databases: used for structured data and follow a tabular format (e.g. MySQL, PostgreSQL)
NoSQL databases: used for unstructured data and provide flexibility in data storage (e.g. MongoDB, Cassandra)
Graph databases: used for data with complex relationships (e.g. Neo4...
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The duration of HCLTech Technical Lead interview process can vary, but typically it takes about less than 2 weeks to complete.
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