HCLTech Software Engineer Interview Questions, Process, and Tips

Q1. Tell me about your self.
Add your answer
Q2. Tell me about your previous work and project
Add your answer

Q1. Core java,oops, multithreading,
Add your answer

Java
DSA
Python
C++
Mern

Q1. Operating system Java Computer networking DBMS C++
Add your answer
Q2. What you think About in company
Add your answer
Q3. Who can handle any panic section
Ans. 
A person who remains calm and composed in high-pressure situations.
• Someone with strong problem-solving skills

• Ability to think clearly under pressure

• Experience in handling emergencies or crises

• Good communication skills to coordinate with others

• Examples: Emergency responders, crisis negotiators, experienced software engineers
Answered by AI
Add your answer

Q1. What is OOP in java?
Ans. 
OOP in Java stands for Object-Oriented Programming, a programming paradigm that uses objects to design applications.
• OOP in Java involves creating classes and objects, encapsulation, inheritance, and polymorphism.

• Classes are blueprints for objects, defining their attributes and behaviors.

• Encapsulation hides the internal state of an object and only allows access through methods.

• Inheritance allows a class to inherit attri...read more
Answered by AI
Add your answer
Q2. Difference between array and arraylist?
Ans. 
Array is a fixed-size data structure while ArrayList is a dynamic-size data structure in Java.
• Array is a fixed-size collection of elements of the same data type.

• ArrayList is a dynamic-size collection of elements that can grow or shrink in size.

• Arrays can store primitive data types and objects, while ArrayList can only store objects.

• Arrays require a specified size during initialization, while ArrayList can dynamically r...read more
Answered by AI
Add your answer

Q1. What is Virtual Dom in Reac Js
Ans. 
Virtual DOM is a lightweight copy of the actual DOM in React JS, used for efficient updates and rendering.
• Virtual DOM is a concept where a lightweight copy of the actual DOM is created in memory.

• When changes are made to the UI in React, the Virtual DOM is updated instead of the actual DOM.

• React then compares the Virtual DOM with the actual DOM and only updates the necessary parts, making the process more efficient.

• This...read more
Answered by AI
Add your answer

Q1. Why you want to join hcl
Add your answer

Q1. Based on C programming
Add your answer

Q1. Based on technical interview 2
Add your answer